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Finding the Fourth Proportional to 651,637.40, 977,504.70 and 230,858.60

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Solution

The fourth proportional to 651,637.40, 977,504.70 and 230,858.60 is: 346,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,637.40 : 977,504.70 = 230,858.60 : x
  2. Step 2: Convert to fraction form
    651,637.40/977,504.70 = 230,858.60/x
  3. Step 3: Cross multiply
    651,637.40x = 977,504.70 × 230,858.60
  4. Step 4: Simplify right side
    651,637.40x = 225,665,366,535.42
  5. Step 5: Solve for x
    x = 225,665,366,535.42/651,637.40
  6. Step 6: Final answer
    x = 346,305.12

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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.