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Finding the Fourth Proportional to 440,577.96, 661,162.20 and 282,917.13

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Solution

The fourth proportional to 440,577.96, 661,162.20 and 282,917.13 is: 424,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,577.96 : 661,162.20 = 282,917.13 : x
  2. Step 2: Convert to fraction form
    440,577.96/661,162.20 = 282,917.13/x
  3. Step 3: Cross multiply
    440,577.96x = 661,162.20 × 282,917.13
  4. Step 4: Simplify right side
    440,577.96x = 187,054,112,088.49
  5. Step 5: Solve for x
    x = 187,054,112,088.49/440,577.96
  6. Step 6: Final answer
    x = 424,565.30

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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.