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Finding the Fourth Proportional to 584,433.60, 877,687.20 and 451,636.80

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Solution

The fourth proportional to 584,433.60, 877,687.20 and 451,636.80 is: 678,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,433.60 : 877,687.20 = 451,636.80 : x
  2. Step 2: Convert to fraction form
    584,433.60/877,687.20 = 451,636.80/x
  3. Step 3: Cross multiply
    584,433.60x = 877,687.20 × 451,636.80
  4. Step 4: Simplify right side
    584,433.60x = 396,395,838,408.96
  5. Step 5: Solve for x
    x = 396,395,838,408.96/584,433.60
  6. Step 6: Final answer
    x = 678,256.42

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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.