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Finding the Fourth Proportional to 497,701.60, 746,552.40 and 339,071.20

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Solution

The fourth proportional to 497,701.60, 746,552.40 and 339,071.20 is: 508,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,701.60 : 746,552.40 = 339,071.20 : x
  2. Step 2: Convert to fraction form
    497,701.60/746,552.40 = 339,071.20/x
  3. Step 3: Cross multiply
    497,701.60x = 746,552.40 × 339,071.20
  4. Step 4: Simplify right side
    497,701.60x = 253,134,418,130.88
  5. Step 5: Solve for x
    x = 253,134,418,130.88/497,701.60
  6. Step 6: Final answer
    x = 508,606.80

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Similar ratio
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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.