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Finding the Fourth Proportional to 531,529, 797,296.38 and 137,545

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Solution

The fourth proportional to 531,529, 797,296.38 and 137,545 is: 206,318.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,529 : 797,296.38 = 137,545 : x
  2. Step 2: Convert to fraction form
    531,529/797,296.38 = 137,545/x
  3. Step 3: Cross multiply
    531,529x = 797,296.38 × 137,545
  4. Step 4: Simplify right side
    531,529x = 109,664,130,587.10
  5. Step 5: Solve for x
    x = 109,664,130,587.10/531,529
  6. Step 6: Final answer
    x = 206,318.25

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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.