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Finding the Fourth Proportional to 292,671.04, 438,956.88 and 82,259.52

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Solution

The fourth proportional to 292,671.04, 438,956.88 and 82,259.52 is: 123,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,671.04 : 438,956.88 = 82,259.52 : x
  2. Step 2: Convert to fraction form
    292,671.04/438,956.88 = 82,259.52/x
  3. Step 3: Cross multiply
    292,671.04x = 438,956.88 × 82,259.52
  4. Step 4: Simplify right side
    292,671.04x = 36,108,382,249.50
  5. Step 5: Solve for x
    x = 36,108,382,249.50/292,671.04
  6. Step 6: Final answer
    x = 123,375.32

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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.