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Finding the Fourth Proportional to 584,447.20, 876,411.60 and 269,000.80

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Solution

The fourth proportional to 584,447.20, 876,411.60 and 269,000.80 is: 403,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,447.20 : 876,411.60 = 269,000.80 : x
  2. Step 2: Convert to fraction form
    584,447.20/876,411.60 = 269,000.80/x
  3. Step 3: Cross multiply
    584,447.20x = 876,411.60 × 269,000.80
  4. Step 4: Simplify right side
    584,447.20x = 235,755,421,529.28
  5. Step 5: Solve for x
    x = 235,755,421,529.28/584,447.20
  6. Step 6: Final answer
    x = 403,381.90

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1.5x scale

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.