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Finding the Fourth Proportional to 587,400.30, 881,100.45 and 557,073.90

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Solution

The fourth proportional to 587,400.30, 881,100.45 and 557,073.90 is: 835,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,400.30 : 881,100.45 = 557,073.90 : x
  2. Step 2: Convert to fraction form
    587,400.30/881,100.45 = 557,073.90/x
  3. Step 3: Cross multiply
    587,400.30x = 881,100.45 × 557,073.90
  4. Step 4: Simplify right side
    587,400.30x = 490,838,063,973.26
  5. Step 5: Solve for x
    x = 490,838,063,973.26/587,400.30
  6. Step 6: Final answer
    x = 835,610.85

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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.