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Finding the Fourth Proportional to 531,699.28, 797,548.84 and 157,719.04

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Solution

The fourth proportional to 531,699.28, 797,548.84 and 157,719.04 is: 236,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,699.28 : 797,548.84 = 157,719.04 : x
  2. Step 2: Convert to fraction form
    531,699.28/797,548.84 = 157,719.04/x
  3. Step 3: Cross multiply
    531,699.28x = 797,548.84 × 157,719.04
  4. Step 4: Simplify right side
    531,699.28x = 125,788,637,397.91
  5. Step 5: Solve for x
    x = 125,788,637,397.91/531,699.28
  6. Step 6: Final answer
    x = 236,578.54

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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.