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Finding the Fourth Proportional to 584,423.60, 877,672.20 and 451,626.80

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Solution

The fourth proportional to 584,423.60, 877,672.20 and 451,626.80 is: 678,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,423.60 : 877,672.20 = 451,626.80 : x
  2. Step 2: Convert to fraction form
    584,423.60/877,672.20 = 451,626.80/x
  3. Step 3: Cross multiply
    584,423.60x = 877,672.20 × 451,626.80
  4. Step 4: Simplify right side
    584,423.60x = 396,380,287,134.96
  5. Step 5: Solve for x
    x = 396,380,287,134.96/584,423.60
  6. Step 6: Final answer
    x = 678,241.41

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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.