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Finding the Fourth Proportional to 531,665.58, 797,541.57 and 157,687.50

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Solution

The fourth proportional to 531,665.58, 797,541.57 and 157,687.50 is: 236,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,665.58 : 797,541.57 = 157,687.50 : x
  2. Step 2: Convert to fraction form
    531,665.58/797,541.57 = 157,687.50/x
  3. Step 3: Cross multiply
    531,665.58x = 797,541.57 × 157,687.50
  4. Step 4: Simplify right side
    531,665.58x = 125,762,336,319.38
  5. Step 5: Solve for x
    x = 125,762,336,319.38/531,665.58
  6. Step 6: Final answer
    x = 236,544.06

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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.