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Finding the Fourth Proportional to 922,649.60, 1,384,233.60 and 449,350.40

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Solution

The fourth proportional to 922,649.60, 1,384,233.60 and 449,350.40 is: 674,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,649.60 : 1,384,233.60 = 449,350.40 : x
  2. Step 2: Convert to fraction form
    922,649.60/1,384,233.60 = 449,350.40/x
  3. Step 3: Cross multiply
    922,649.60x = 1,384,233.60 × 449,350.40
  4. Step 4: Simplify right side
    922,649.60x = 622,005,921,853.44
  5. Step 5: Solve for x
    x = 622,005,921,853.44/922,649.60
  6. Step 6: Final answer
    x = 674,151.84

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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.