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Finding the Fourth Proportional to 502,299.72, 753,430.14 and 169,875.72

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Solution

The fourth proportional to 502,299.72, 753,430.14 and 169,875.72 is: 254,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,299.72 : 753,430.14 = 169,875.72 : x
  2. Step 2: Convert to fraction form
    502,299.72/753,430.14 = 169,875.72/x
  3. Step 3: Cross multiply
    502,299.72x = 753,430.14 × 169,875.72
  4. Step 4: Simplify right side
    502,299.72x = 127,989,487,502.20
  5. Step 5: Solve for x
    x = 127,989,487,502.20/502,299.72
  6. Step 6: Final answer
    x = 254,807.01

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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.