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Finding the Fourth Proportional to 654,686.60, 982,029.90 and 233,976.20

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Solution

The fourth proportional to 654,686.60, 982,029.90 and 233,976.20 is: 350,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,686.60 : 982,029.90 = 233,976.20 : x
  2. Step 2: Convert to fraction form
    654,686.60/982,029.90 = 233,976.20/x
  3. Step 3: Cross multiply
    654,686.60x = 982,029.90 × 233,976.20
  4. Step 4: Simplify right side
    654,686.60x = 229,771,624,288.38
  5. Step 5: Solve for x
    x = 229,771,624,288.38/654,686.60
  6. Step 6: Final answer
    x = 350,964.30

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Half scale
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Double scale
Find fourth proportional to 654,687.60, 982,031.40 and 233,977.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.