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Finding the Fourth Proportional to 329,126.85, 493,293.38 and 151,390.17

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Solution

The fourth proportional to 329,126.85, 493,293.38 and 151,390.17 is: 226,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,126.85 : 493,293.38 = 151,390.17 : x
  2. Step 2: Convert to fraction form
    329,126.85/493,293.38 = 151,390.17/x
  3. Step 3: Cross multiply
    329,126.85x = 493,293.38 × 151,390.17
  4. Step 4: Simplify right side
    329,126.85x = 74,679,767,901.12
  5. Step 5: Solve for x
    x = 74,679,767,901.12/329,126.85
  6. Step 6: Final answer
    x = 226,902.69

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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.