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Finding the Fourth Proportional to 329,437.61, 494,164.51 and 92,778.69

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Solution

The fourth proportional to 329,437.61, 494,164.51 and 92,778.69 is: 139,170.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,437.61 : 494,164.51 = 92,778.69 : x
  2. Step 2: Convert to fraction form
    329,437.61/494,164.51 = 92,778.69/x
  3. Step 3: Cross multiply
    329,437.61x = 494,164.51 × 92,778.69
  4. Step 4: Simplify right side
    329,437.61x = 45,847,935,650.35
  5. Step 5: Solve for x
    x = 45,847,935,650.35/329,437.61
  6. Step 6: Final answer
    x = 139,170.32

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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.