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Finding the Fourth Proportional to 716,414.40, 989,105.76 and 444,770.46

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Solution

The fourth proportional to 716,414.40, 989,105.76 and 444,770.46 is: 614,065.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,414.40 : 989,105.76 = 444,770.46 : x
  2. Step 2: Convert to fraction form
    716,414.40/989,105.76 = 444,770.46/x
  3. Step 3: Cross multiply
    716,414.40x = 989,105.76 × 444,770.46
  4. Step 4: Simplify right side
    716,414.40x = 439,925,023,863.85
  5. Step 5: Solve for x
    x = 439,925,023,863.85/716,414.40
  6. Step 6: Final answer
    x = 614,065.02

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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.