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Finding the Fourth Proportional to 414,439.88, 571,894.32 and 233,115.71

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Solution

The fourth proportional to 414,439.88, 571,894.32 and 233,115.71 is: 321,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,439.88 : 571,894.32 = 233,115.71 : x
  2. Step 2: Convert to fraction form
    414,439.88/571,894.32 = 233,115.71/x
  3. Step 3: Cross multiply
    414,439.88x = 571,894.32 × 233,115.71
  4. Step 4: Simplify right side
    414,439.88x = 133,317,550,451.77
  5. Step 5: Solve for x
    x = 133,317,550,451.77/414,439.88
  6. Step 6: Final answer
    x = 321,681.28

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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.