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Finding the Fourth Proportional to 304,888.52, 457,613.51 and 155,235.75

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Solution

The fourth proportional to 304,888.52, 457,613.51 and 155,235.75 is: 232,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,888.52 : 457,613.51 = 155,235.75 : x
  2. Step 2: Convert to fraction form
    304,888.52/457,613.51 = 155,235.75/x
  3. Step 3: Cross multiply
    304,888.52x = 457,613.51 × 155,235.75
  4. Step 4: Simplify right side
    304,888.52x = 71,037,976,434.98
  5. Step 5: Solve for x
    x = 71,037,976,434.98/304,888.52
  6. Step 6: Final answer
    x = 232,996.56

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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.