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Finding the Fourth Proportional to 488,076.60, 731,337.30 and 362,105.40

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Solution

The fourth proportional to 488,076.60, 731,337.30 and 362,105.40 is: 542,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,076.60 : 731,337.30 = 362,105.40 : x
  2. Step 2: Convert to fraction form
    488,076.60/731,337.30 = 362,105.40/x
  3. Step 3: Cross multiply
    488,076.60x = 731,337.30 × 362,105.40
  4. Step 4: Simplify right side
    488,076.60x = 264,821,185,551.42
  5. Step 5: Solve for x
    x = 264,821,185,551.42/488,076.60
  6. Step 6: Final answer
    x = 542,581.20

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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.