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Finding the Fourth Proportional to 572,961.80, 859,442.70 and 332,829.20

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Solution

The fourth proportional to 572,961.80, 859,442.70 and 332,829.20 is: 499,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,961.80 : 859,442.70 = 332,829.20 : x
  2. Step 2: Convert to fraction form
    572,961.80/859,442.70 = 332,829.20/x
  3. Step 3: Cross multiply
    572,961.80x = 859,442.70 × 332,829.20
  4. Step 4: Simplify right side
    572,961.80x = 286,047,626,286.84
  5. Step 5: Solve for x
    x = 286,047,626,286.84/572,961.80
  6. Step 6: Final answer
    x = 499,243.80

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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.