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Finding the Fourth Proportional to 329,437.80, 494,237.70 and 92,777.40

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Solution

The fourth proportional to 329,437.80, 494,237.70 and 92,777.40 is: 139,188.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,437.80 : 494,237.70 = 92,777.40 : x
  2. Step 2: Convert to fraction form
    329,437.80/494,237.70 = 92,777.40/x
  3. Step 3: Cross multiply
    329,437.80x = 494,237.70 × 92,777.40
  4. Step 4: Simplify right side
    329,437.80x = 45,854,088,787.98
  5. Step 5: Solve for x
    x = 45,854,088,787.98/329,437.80
  6. Step 6: Final answer
    x = 139,188.91

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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.