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Finding the Fourth Proportional to 440,291.93, 660,430.80 and 174,054.92

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Solution

The fourth proportional to 440,291.93, 660,430.80 and 174,054.92 is: 261,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,291.93 : 660,430.80 = 174,054.92 : x
  2. Step 2: Convert to fraction form
    440,291.93/660,430.80 = 174,054.92/x
  3. Step 3: Cross multiply
    440,291.93x = 660,430.80 × 174,054.92
  4. Step 4: Simplify right side
    440,291.93x = 114,951,226,757.38
  5. Step 5: Solve for x
    x = 114,951,226,757.38/440,291.93
  6. Step 6: Final answer
    x = 261,079.57

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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.