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Finding the Fourth Proportional to 469,092.42, 647,344.98 and 254,230.20

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Solution

The fourth proportional to 469,092.42, 647,344.98 and 254,230.20 is: 350,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,092.42 : 647,344.98 = 254,230.20 : x
  2. Step 2: Convert to fraction form
    469,092.42/647,344.98 = 254,230.20/x
  3. Step 3: Cross multiply
    469,092.42x = 647,344.98 × 254,230.20
  4. Step 4: Simplify right side
    469,092.42x = 164,574,643,734.40
  5. Step 5: Solve for x
    x = 164,574,643,734.40/469,092.42
  6. Step 6: Final answer
    x = 350,836.29

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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.