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Finding the Fourth Proportional to 304,686.60, 457,072.43 and 127,152.92

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Solution

The fourth proportional to 304,686.60, 457,072.43 and 127,152.92 is: 190,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,686.60 : 457,072.43 = 127,152.92 : x
  2. Step 2: Convert to fraction form
    304,686.60/457,072.43 = 127,152.92/x
  3. Step 3: Cross multiply
    304,686.60x = 457,072.43 × 127,152.92
  4. Step 4: Simplify right side
    304,686.60x = 58,118,094,126.00
  5. Step 5: Solve for x
    x = 58,118,094,126.00/304,686.60
  6. Step 6: Final answer
    x = 190,747.13

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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.