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Finding the Fourth Proportional to 415,775.48, 573,770.10 and 224,788.88

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Solution

The fourth proportional to 415,775.48, 573,770.10 and 224,788.88 is: 310,208.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,775.48 : 573,770.10 = 224,788.88 : x
  2. Step 2: Convert to fraction form
    415,775.48/573,770.10 = 224,788.88/x
  3. Step 3: Cross multiply
    415,775.48x = 573,770.10 × 224,788.88
  4. Step 4: Simplify right side
    415,775.48x = 128,977,135,287.64
  5. Step 5: Solve for x
    x = 128,977,135,287.64/415,775.48
  6. Step 6: Final answer
    x = 310,208.61

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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.