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Finding the Fourth Proportional to 580,635.74, 801,341.71 and 338,977.71

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Solution

The fourth proportional to 580,635.74, 801,341.71 and 338,977.71 is: 467,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,635.74 : 801,341.71 = 338,977.71 : x
  2. Step 2: Convert to fraction form
    580,635.74/801,341.71 = 338,977.71/x
  3. Step 3: Cross multiply
    580,635.74x = 801,341.71 × 338,977.71
  4. Step 4: Simplify right side
    580,635.74x = 271,636,976,935.84
  5. Step 5: Solve for x
    x = 271,636,976,935.84/580,635.74
  6. Step 6: Final answer
    x = 467,826.83

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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.