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Finding the Fourth Proportional to 452,294.52, 678,752.80 and 156,806.52

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Solution

The fourth proportional to 452,294.52, 678,752.80 and 156,806.52 is: 235,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,294.52 : 678,752.80 = 156,806.52 : x
  2. Step 2: Convert to fraction form
    452,294.52/678,752.80 = 156,806.52/x
  3. Step 3: Cross multiply
    452,294.52x = 678,752.80 × 156,806.52
  4. Step 4: Simplify right side
    452,294.52x = 106,432,864,508.26
  5. Step 5: Solve for x
    x = 106,432,864,508.26/452,294.52
  6. Step 6: Final answer
    x = 235,317.61

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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.