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Finding the Fourth Proportional to 329,054.40, 493,253.55 and 151,251.30

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Solution

The fourth proportional to 329,054.40, 493,253.55 and 151,251.30 is: 226,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,054.40 : 493,253.55 = 151,251.30 : x
  2. Step 2: Convert to fraction form
    329,054.40/493,253.55 = 151,251.30/x
  3. Step 3: Cross multiply
    329,054.40x = 493,253.55 × 151,251.30
  4. Step 4: Simplify right side
    329,054.40x = 74,605,240,667.12
  5. Step 5: Solve for x
    x = 74,605,240,667.12/329,054.40
  6. Step 6: Final answer
    x = 226,726.16

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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.