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Finding the Fourth Proportional to 598,748.80, 898,123.20 and 543,452.80

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Solution

The fourth proportional to 598,748.80, 898,123.20 and 543,452.80 is: 815,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,748.80 : 898,123.20 = 543,452.80 : x
  2. Step 2: Convert to fraction form
    598,748.80/898,123.20 = 543,452.80/x
  3. Step 3: Cross multiply
    598,748.80x = 898,123.20 × 543,452.80
  4. Step 4: Simplify right side
    598,748.80x = 488,087,567,784.96
  5. Step 5: Solve for x
    x = 488,087,567,784.96/598,748.80
  6. Step 6: Final answer
    x = 815,179.20

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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.