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Finding the Fourth Proportional to 502,328.68, 753,603.96 and 165,355.72

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Solution

The fourth proportional to 502,328.68, 753,603.96 and 165,355.72 is: 248,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,328.68 : 753,603.96 = 165,355.72 : x
  2. Step 2: Convert to fraction form
    502,328.68/753,603.96 = 165,355.72/x
  3. Step 3: Cross multiply
    502,328.68x = 753,603.96 × 165,355.72
  4. Step 4: Simplify right side
    502,328.68x = 124,612,725,400.65
  5. Step 5: Solve for x
    x = 124,612,725,400.65/502,328.68
  6. Step 6: Final answer
    x = 248,070.10

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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.