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Finding the Fourth Proportional to 304,781.64, 457,215.32 and 127,248.27

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Solution

The fourth proportional to 304,781.64, 457,215.32 and 127,248.27 is: 190,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,781.64 : 457,215.32 = 127,248.27 : x
  2. Step 2: Convert to fraction form
    304,781.64/457,215.32 = 127,248.27/x
  3. Step 3: Cross multiply
    304,781.64x = 457,215.32 × 127,248.27
  4. Step 4: Simplify right side
    304,781.64x = 58,179,857,851.26
  5. Step 5: Solve for x
    x = 58,179,857,851.26/304,781.64
  6. Step 6: Final answer
    x = 190,890.30

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1.5x scale

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.