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Finding the Fourth Proportional to 488,563.92, 731,763.18 and 375,411.24

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Solution

The fourth proportional to 488,563.92, 731,763.18 and 375,411.24 is: 562,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,563.92 : 731,763.18 = 375,411.24 : x
  2. Step 2: Convert to fraction form
    488,563.92/731,763.18 = 375,411.24/x
  3. Step 3: Cross multiply
    488,563.92x = 731,763.18 × 375,411.24
  4. Step 4: Simplify right side
    488,563.92x = 274,712,122,790.14
  5. Step 5: Solve for x
    x = 274,712,122,790.14/488,563.92
  6. Step 6: Final answer
    x = 562,284.92

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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.