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Finding the Fourth Proportional to 415,732.32, 573,715.84 and 252,341.60

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Solution

The fourth proportional to 415,732.32, 573,715.84 and 252,341.60 is: 348,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,732.32 : 573,715.84 = 252,341.60 : x
  2. Step 2: Convert to fraction form
    415,732.32/573,715.84 = 252,341.60/x
  3. Step 3: Cross multiply
    415,732.32x = 573,715.84 × 252,341.60
  4. Step 4: Simplify right side
    415,732.32x = 144,772,373,010.94
  5. Step 5: Solve for x
    x = 144,772,373,010.94/415,732.32
  6. Step 6: Final answer
    x = 348,234.59

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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.