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Finding the Fourth Proportional to 502,111.40, 753,167.10 and 169,682.60

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Solution

The fourth proportional to 502,111.40, 753,167.10 and 169,682.60 is: 254,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,111.40 : 753,167.10 = 169,682.60 : x
  2. Step 2: Convert to fraction form
    502,111.40/753,167.10 = 169,682.60/x
  3. Step 3: Cross multiply
    502,111.40x = 753,167.10 × 169,682.60
  4. Step 4: Simplify right side
    502,111.40x = 127,799,351,762.46
  5. Step 5: Solve for x
    x = 127,799,351,762.46/502,111.40
  6. Step 6: Final answer
    x = 254,523.90

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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.