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Finding the Fourth Proportional to 440,753.66, 660,742.74 and 174,700.92

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Solution

The fourth proportional to 440,753.66, 660,742.74 and 174,700.92 is: 261,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,753.66 : 660,742.74 = 174,700.92 : x
  2. Step 2: Convert to fraction form
    440,753.66/660,742.74 = 174,700.92/x
  3. Step 3: Cross multiply
    440,753.66x = 660,742.74 × 174,700.92
  4. Step 4: Simplify right side
    440,753.66x = 115,432,364,561.32
  5. Step 5: Solve for x
    x = 115,432,364,561.32/440,753.66
  6. Step 6: Final answer
    x = 261,897.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.