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Finding the Fourth Proportional to 440,851.88, 608,487.18 and 271,237.88

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Solution

The fourth proportional to 440,851.88, 608,487.18 and 271,237.88 is: 374,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,851.88 : 608,487.18 = 271,237.88 : x
  2. Step 2: Convert to fraction form
    440,851.88/608,487.18 = 271,237.88/x
  3. Step 3: Cross multiply
    440,851.88x = 608,487.18 × 271,237.88
  4. Step 4: Simplify right side
    440,851.88x = 165,044,772,710.38
  5. Step 5: Solve for x
    x = 165,044,772,710.38/440,851.88
  6. Step 6: Final answer
    x = 374,376.93

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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.