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Finding the Fourth Proportional to 465,337.80, 698,525.10 and 255,385.80

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Solution

The fourth proportional to 465,337.80, 698,525.10 and 255,385.80 is: 383,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,337.80 : 698,525.10 = 255,385.80 : x
  2. Step 2: Convert to fraction form
    465,337.80/698,525.10 = 255,385.80/x
  3. Step 3: Cross multiply
    465,337.80x = 698,525.10 × 255,385.80
  4. Step 4: Simplify right side
    465,337.80x = 178,393,391,483.58
  5. Step 5: Solve for x
    x = 178,393,391,483.58/465,337.80
  6. Step 6: Final answer
    x = 383,363.21

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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.