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Finding the Fourth Proportional to 654,685.60, 982,028.40 and 233,975.20

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Solution

The fourth proportional to 654,685.60, 982,028.40 and 233,975.20 is: 350,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,685.60 : 982,028.40 = 233,975.20 : x
  2. Step 2: Convert to fraction form
    654,685.60/982,028.40 = 233,975.20/x
  3. Step 3: Cross multiply
    654,685.60x = 982,028.40 × 233,975.20
  4. Step 4: Simplify right side
    654,685.60x = 229,770,291,295.68
  5. Step 5: Solve for x
    x = 229,770,291,295.68/654,685.60
  6. Step 6: Final answer
    x = 350,962.80

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Half scale
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Double scale
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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.