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Finding the Fourth Proportional to 696,395.20, 960,671.67 and 454,819.18

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Solution

The fourth proportional to 696,395.20, 960,671.67 and 454,819.18 is: 627,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,395.20 : 960,671.67 = 454,819.18 : x
  2. Step 2: Convert to fraction form
    696,395.20/960,671.67 = 454,819.18/x
  3. Step 3: Cross multiply
    696,395.20x = 960,671.67 × 454,819.18
  4. Step 4: Simplify right side
    696,395.20x = 436,931,901,198.63
  5. Step 5: Solve for x
    x = 436,931,901,198.63/696,395.20
  6. Step 6: Final answer
    x = 627,419.46

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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.