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Finding the Fourth Proportional to 720,199.44, 993,563.01 and 433,553.46

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Solution

The fourth proportional to 720,199.44, 993,563.01 and 433,553.46 is: 598,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,199.44 : 993,563.01 = 433,553.46 : x
  2. Step 2: Convert to fraction form
    720,199.44/993,563.01 = 433,553.46/x
  3. Step 3: Cross multiply
    720,199.44x = 993,563.01 × 433,553.46
  4. Step 4: Simplify right side
    720,199.44x = 430,762,680,713.52
  5. Step 5: Solve for x
    x = 430,762,680,713.52/720,199.44
  6. Step 6: Final answer
    x = 598,115.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.