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Finding the Fourth Proportional to 457,344.90, 684,705.15 and 444,222.90

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Solution

The fourth proportional to 457,344.90, 684,705.15 and 444,222.90 is: 665,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,344.90 : 684,705.15 = 444,222.90 : x
  2. Step 2: Convert to fraction form
    457,344.90/684,705.15 = 444,222.90/x
  3. Step 3: Cross multiply
    457,344.90x = 684,705.15 × 444,222.90
  4. Step 4: Simplify right side
    457,344.90x = 304,161,707,377.94
  5. Step 5: Solve for x
    x = 304,161,707,377.94/457,344.90
  6. Step 6: Final answer
    x = 665,059.80

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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.