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Finding the Fourth Proportional to 440,293.39, 660,718.01 and 187,574.00

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Solution

The fourth proportional to 440,293.39, 660,718.01 and 187,574.00 is: 281,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,293.39 : 660,718.01 = 187,574.00 : x
  2. Step 2: Convert to fraction form
    440,293.39/660,718.01 = 187,574.00/x
  3. Step 3: Cross multiply
    440,293.39x = 660,718.01 × 187,574.00
  4. Step 4: Simplify right side
    440,293.39x = 123,933,517,173.09
  5. Step 5: Solve for x
    x = 123,933,517,173.09/440,293.39
  6. Step 6: Final answer
    x = 281,479.40

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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.