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Finding the Fourth Proportional to 435,376.71, 652,897.31 and 169,102.17

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Solution

The fourth proportional to 435,376.71, 652,897.31 and 169,102.17 is: 253,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,376.71 : 652,897.31 = 169,102.17 : x
  2. Step 2: Convert to fraction form
    435,376.71/652,897.31 = 169,102.17/x
  3. Step 3: Cross multiply
    435,376.71x = 652,897.31 × 169,102.17
  4. Step 4: Simplify right side
    435,376.71x = 110,406,351,062.65
  5. Step 5: Solve for x
    x = 110,406,351,062.65/435,376.71
  6. Step 6: Final answer
    x = 253,588.10

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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.