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Finding the Fourth Proportional to 591,704.10, 887,556.15 and 411,300.90

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Solution

The fourth proportional to 591,704.10, 887,556.15 and 411,300.90 is: 616,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,704.10 : 887,556.15 = 411,300.90 : x
  2. Step 2: Convert to fraction form
    591,704.10/887,556.15 = 411,300.90/x
  3. Step 3: Cross multiply
    591,704.10x = 887,556.15 × 411,300.90
  4. Step 4: Simplify right side
    591,704.10x = 365,052,643,295.54
  5. Step 5: Solve for x
    x = 365,052,643,295.54/591,704.10
  6. Step 6: Final answer
    x = 616,951.35

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Half scale
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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.