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Finding the Fourth Proportional to 531,465.06, 797,200.47 and 157,491.30

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Solution

The fourth proportional to 531,465.06, 797,200.47 and 157,491.30 is: 236,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,465.06 : 797,200.47 = 157,491.30 : x
  2. Step 2: Convert to fraction form
    531,465.06/797,200.47 = 157,491.30/x
  3. Step 3: Cross multiply
    531,465.06x = 797,200.47 × 157,491.30
  4. Step 4: Simplify right side
    531,465.06x = 125,552,138,380.91
  5. Step 5: Solve for x
    x = 125,552,138,380.91/531,465.06
  6. Step 6: Final answer
    x = 236,237.80

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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.