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Finding the Fourth Proportional to 304,387.56, 419,959.62 and 183,565.80

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Solution

The fourth proportional to 304,387.56, 419,959.62 and 183,565.80 is: 253,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,387.56 : 419,959.62 = 183,565.80 : x
  2. Step 2: Convert to fraction form
    304,387.56/419,959.62 = 183,565.80/x
  3. Step 3: Cross multiply
    304,387.56x = 419,959.62 × 183,565.80
  4. Step 4: Simplify right side
    304,387.56x = 77,090,223,613.00
  5. Step 5: Solve for x
    x = 77,090,223,613.00/304,387.56
  6. Step 6: Final answer
    x = 253,263.38

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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.