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Finding the Fourth Proportional to 585,876.99, 878,815.49 and 555,958.83

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Solution

The fourth proportional to 585,876.99, 878,815.49 and 555,958.83 is: 833,938.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,876.99 : 878,815.49 = 555,958.83 : x
  2. Step 2: Convert to fraction form
    585,876.99/878,815.49 = 555,958.83/x
  3. Step 3: Cross multiply
    585,876.99x = 878,815.49 × 555,958.83
  4. Step 4: Simplify right side
    585,876.99x = 488,585,228,826.48
  5. Step 5: Solve for x
    x = 488,585,228,826.48/585,876.99
  6. Step 6: Final answer
    x = 833,938.25

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Double scale
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Similar ratio
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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.