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Finding the Fourth Proportional to 674,115.54, 929,000.52 and 482,796.78

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Solution

The fourth proportional to 674,115.54, 929,000.52 and 482,796.78 is: 665,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,115.54 : 929,000.52 = 482,796.78 : x
  2. Step 2: Convert to fraction form
    674,115.54/929,000.52 = 482,796.78/x
  3. Step 3: Cross multiply
    674,115.54x = 929,000.52 × 482,796.78
  4. Step 4: Simplify right side
    674,115.54x = 448,518,459,674.33
  5. Step 5: Solve for x
    x = 448,518,459,674.33/674,115.54
  6. Step 6: Final answer
    x = 665,343.60

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Double scale
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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.