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Finding the Fourth Proportional to 454,040.39, 680,967.71 and 169,678.45

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Solution

The fourth proportional to 454,040.39, 680,967.71 and 169,678.45 is: 254,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,040.39 : 680,967.71 = 169,678.45 : x
  2. Step 2: Convert to fraction form
    454,040.39/680,967.71 = 169,678.45/x
  3. Step 3: Cross multiply
    454,040.39x = 680,967.71 × 169,678.45
  4. Step 4: Simplify right side
    454,040.39x = 115,545,542,341.52
  5. Step 5: Solve for x
    x = 115,545,542,341.52/454,040.39
  6. Step 6: Final answer
    x = 254,482.96

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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.