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Finding the Fourth Proportional to 616,620.60, 924,930.90 and 173,388.60

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Solution

The fourth proportional to 616,620.60, 924,930.90 and 173,388.60 is: 260,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,620.60 : 924,930.90 = 173,388.60 : x
  2. Step 2: Convert to fraction form
    616,620.60/924,930.90 = 173,388.60/x
  3. Step 3: Cross multiply
    616,620.60x = 924,930.90 × 173,388.60
  4. Step 4: Simplify right side
    616,620.60x = 160,372,473,847.74
  5. Step 5: Solve for x
    x = 160,372,473,847.74/616,620.60
  6. Step 6: Final answer
    x = 260,082.90

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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.