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Finding the Fourth Proportional to 542,220.02, 813,523.62 and 329,422.04

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Solution

The fourth proportional to 542,220.02, 813,523.62 and 329,422.04 is: 494,250.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,220.02 : 813,523.62 = 329,422.04 : x
  2. Step 2: Convert to fraction form
    542,220.02/813,523.62 = 329,422.04/x
  3. Step 3: Cross multiply
    542,220.02x = 813,523.62 × 329,422.04
  4. Step 4: Simplify right side
    542,220.02x = 267,992,610,488.59
  5. Step 5: Solve for x
    x = 267,992,610,488.59/542,220.02
  6. Step 6: Final answer
    x = 494,250.67

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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.