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Finding the Fourth Proportional to 616,585.60, 924,003.60 and 455,403.70

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Solution

The fourth proportional to 616,585.60, 924,003.60 and 455,403.70 is: 682,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,585.60 : 924,003.60 = 455,403.70 : x
  2. Step 2: Convert to fraction form
    616,585.60/924,003.60 = 455,403.70/x
  3. Step 3: Cross multiply
    616,585.60x = 924,003.60 × 455,403.70
  4. Step 4: Simplify right side
    616,585.60x = 420,794,658,253.32
  5. Step 5: Solve for x
    x = 420,794,658,253.32/616,585.60
  6. Step 6: Final answer
    x = 682,459.43

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1.5x scale

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.