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Finding the Fourth Proportional to 663,926.40, 994,334.40 and 452,419.20

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Solution

The fourth proportional to 663,926.40, 994,334.40 and 452,419.20 is: 677,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,926.40 : 994,334.40 = 452,419.20 : x
  2. Step 2: Convert to fraction form
    663,926.40/994,334.40 = 452,419.20/x
  3. Step 3: Cross multiply
    663,926.40x = 994,334.40 × 452,419.20
  4. Step 4: Simplify right side
    663,926.40x = 449,855,973,780.48
  5. Step 5: Solve for x
    x = 449,855,973,780.48/663,926.40
  6. Step 6: Final answer
    x = 677,569.04

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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.