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Finding the Fourth Proportional to 532,526.31, 798,901.70 and 172,669.11

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Solution

The fourth proportional to 532,526.31, 798,901.70 and 172,669.11 is: 259,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,526.31 : 798,901.70 = 172,669.11 : x
  2. Step 2: Convert to fraction form
    532,526.31/798,901.70 = 172,669.11/x
  3. Step 3: Cross multiply
    532,526.31x = 798,901.70 × 172,669.11
  4. Step 4: Simplify right side
    532,526.31x = 137,945,648,296.53
  5. Step 5: Solve for x
    x = 137,945,648,296.53/532,526.31
  6. Step 6: Final answer
    x = 259,040.06

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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.