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Finding the Fourth Proportional to 304,551.20, 457,275.87 and 169,878.39

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Solution

The fourth proportional to 304,551.20, 457,275.87 and 169,878.39 is: 255,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,551.20 : 457,275.87 = 169,878.39 : x
  2. Step 2: Convert to fraction form
    304,551.20/457,275.87 = 169,878.39/x
  3. Step 3: Cross multiply
    304,551.20x = 457,275.87 × 169,878.39
  4. Step 4: Simplify right side
    304,551.20x = 77,681,286,866.66
  5. Step 5: Solve for x
    x = 77,681,286,866.66/304,551.20
  6. Step 6: Final answer
    x = 255,068.07

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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.