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Finding the Fourth Proportional to 415,774.87, 573,770.72 and 224,789.62

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Solution

The fourth proportional to 415,774.87, 573,770.72 and 224,789.62 is: 310,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,774.87 : 573,770.72 = 224,789.62 : x
  2. Step 2: Convert to fraction form
    415,774.87/573,770.72 = 224,789.62/x
  3. Step 3: Cross multiply
    415,774.87x = 573,770.72 × 224,789.62
  4. Step 4: Simplify right side
    415,774.87x = 128,977,702,115.93
  5. Step 5: Solve for x
    x = 128,977,702,115.93/415,774.87
  6. Step 6: Final answer
    x = 310,210.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.