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Finding the Fourth Proportional to 334,425.65, 501,802.49 and 156,947.09

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Solution

The fourth proportional to 334,425.65, 501,802.49 and 156,947.09 is: 235,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,425.65 : 501,802.49 = 156,947.09 : x
  2. Step 2: Convert to fraction form
    334,425.65/501,802.49 = 156,947.09/x
  3. Step 3: Cross multiply
    334,425.65x = 501,802.49 × 156,947.09
  4. Step 4: Simplify right side
    334,425.65x = 78,756,438,443.61
  5. Step 5: Solve for x
    x = 78,756,438,443.61/334,425.65
  6. Step 6: Final answer
    x = 235,497.60

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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.