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Finding the Fourth Proportional to 650,560.32, 898,180.76 and 418,081.54

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Solution

The fourth proportional to 650,560.32, 898,180.76 and 418,081.54 is: 577,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,560.32 : 898,180.76 = 418,081.54 : x
  2. Step 2: Convert to fraction form
    650,560.32/898,180.76 = 418,081.54/x
  3. Step 3: Cross multiply
    650,560.32x = 898,180.76 × 418,081.54
  4. Step 4: Simplify right side
    650,560.32x = 375,512,795,339.17
  5. Step 5: Solve for x
    x = 375,512,795,339.17/650,560.32
  6. Step 6: Final answer
    x = 577,214.42

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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.