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Finding the Fourth Proportional to 486,732.08, 671,646.48 and 271,842.32

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Solution

The fourth proportional to 486,732.08, 671,646.48 and 271,842.32 is: 375,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,732.08 : 671,646.48 = 271,842.32 : x
  2. Step 2: Convert to fraction form
    486,732.08/671,646.48 = 271,842.32/x
  3. Step 3: Cross multiply
    486,732.08x = 671,646.48 × 271,842.32
  4. Step 4: Simplify right side
    486,732.08x = 182,581,937,343.03
  5. Step 5: Solve for x
    x = 182,581,937,343.03/486,732.08
  6. Step 6: Final answer
    x = 375,117.94

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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.