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Finding the Fourth Proportional to 454,340.64, 626,994.37 and 250,398.92

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Solution

The fourth proportional to 454,340.64, 626,994.37 and 250,398.92 is: 345,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,340.64 : 626,994.37 = 250,398.92 : x
  2. Step 2: Convert to fraction form
    454,340.64/626,994.37 = 250,398.92/x
  3. Step 3: Cross multiply
    454,340.64x = 626,994.37 × 250,398.92
  4. Step 4: Simplify right side
    454,340.64x = 156,998,713,094.08
  5. Step 5: Solve for x
    x = 156,998,713,094.08/454,340.64
  6. Step 6: Final answer
    x = 345,552.87

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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.