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Finding the Fourth Proportional to 415,341.90, 573,171.48 and 224,355.24

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Solution

The fourth proportional to 415,341.90, 573,171.48 and 224,355.24 is: 309,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,341.90 : 573,171.48 = 224,355.24 : x
  2. Step 2: Convert to fraction form
    415,341.90/573,171.48 = 224,355.24/x
  3. Step 3: Cross multiply
    415,341.90x = 573,171.48 × 224,355.24
  4. Step 4: Simplify right side
    415,341.90x = 128,594,024,956.56
  5. Step 5: Solve for x
    x = 128,594,024,956.56/415,341.90
  6. Step 6: Final answer
    x = 309,610.05

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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.