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Finding the Fourth Proportional to 615,433.12, 924,773.32 and 331,333.72

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Solution

The fourth proportional to 615,433.12, 924,773.32 and 331,333.72 is: 497,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,433.12 : 924,773.32 = 331,333.72 : x
  2. Step 2: Convert to fraction form
    615,433.12/924,773.32 = 331,333.72/x
  3. Step 3: Cross multiply
    615,433.12x = 924,773.32 × 331,333.72
  4. Step 4: Simplify right side
    615,433.12x = 306,408,584,272.35
  5. Step 5: Solve for x
    x = 306,408,584,272.35/615,433.12
  6. Step 6: Final answer
    x = 497,874.71

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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.