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Finding the Fourth Proportional to 488,950.40, 733,425.60 and 472,620.80

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Solution

The fourth proportional to 488,950.40, 733,425.60 and 472,620.80 is: 708,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,950.40 : 733,425.60 = 472,620.80 : x
  2. Step 2: Convert to fraction form
    488,950.40/733,425.60 = 472,620.80/x
  3. Step 3: Cross multiply
    488,950.40x = 733,425.60 × 472,620.80
  4. Step 4: Simplify right side
    488,950.40x = 346,632,193,812.48
  5. Step 5: Solve for x
    x = 346,632,193,812.48/488,950.40
  6. Step 6: Final answer
    x = 708,931.20

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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.