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Finding the Fourth Proportional to 649,581.71, 974,201.85 and 194,064.84

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Solution

The fourth proportional to 649,581.71, 974,201.85 and 194,064.84 is: 291,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,581.71 : 974,201.85 = 194,064.84 : x
  2. Step 2: Convert to fraction form
    649,581.71/974,201.85 = 194,064.84/x
  3. Step 3: Cross multiply
    649,581.71x = 974,201.85 × 194,064.84
  4. Step 4: Simplify right side
    649,581.71x = 189,058,326,147.95
  5. Step 5: Solve for x
    x = 189,058,326,147.95/649,581.71
  6. Step 6: Final answer
    x = 291,046.26

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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.