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Finding the Fourth Proportional to 669,840.63, 924,151.44 and 415,098.87

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Solution

The fourth proportional to 669,840.63, 924,151.44 and 415,098.87 is: 572,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,840.63 : 924,151.44 = 415,098.87 : x
  2. Step 2: Convert to fraction form
    669,840.63/924,151.44 = 415,098.87/x
  3. Step 3: Cross multiply
    669,840.63x = 924,151.44 × 415,098.87
  4. Step 4: Simplify right side
    669,840.63x = 383,614,218,452.87
  5. Step 5: Solve for x
    x = 383,614,218,452.87/669,840.63
  6. Step 6: Final answer
    x = 572,694.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.