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Finding the Fourth Proportional to 584,861.60, 878,329.20 and 452,064.80

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Solution

The fourth proportional to 584,861.60, 878,329.20 and 452,064.80 is: 678,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,861.60 : 878,329.20 = 452,064.80 : x
  2. Step 2: Convert to fraction form
    584,861.60/878,329.20 = 452,064.80/x
  3. Step 3: Cross multiply
    584,861.60x = 878,329.20 × 452,064.80
  4. Step 4: Simplify right side
    584,861.60x = 397,061,714,132.16
  5. Step 5: Solve for x
    x = 397,061,714,132.16/584,861.60
  6. Step 6: Final answer
    x = 678,898.59

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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.