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Finding the Fourth Proportional to 591,630.30, 887,445.45 and 259,854.30

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Solution

The fourth proportional to 591,630.30, 887,445.45 and 259,854.30 is: 389,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,630.30 : 887,445.45 = 259,854.30 : x
  2. Step 2: Convert to fraction form
    591,630.30/887,445.45 = 259,854.30/x
  3. Step 3: Cross multiply
    591,630.30x = 887,445.45 × 259,854.30
  4. Step 4: Simplify right side
    591,630.30x = 230,606,516,197.94
  5. Step 5: Solve for x
    x = 230,606,516,197.94/591,630.30
  6. Step 6: Final answer
    x = 389,781.45

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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.