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Finding the Fourth Proportional to 454,246.40, 626,874.28 and 260,689.52

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Solution

The fourth proportional to 454,246.40, 626,874.28 and 260,689.52 is: 359,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,246.40 : 626,874.28 = 260,689.52 : x
  2. Step 2: Convert to fraction form
    454,246.40/626,874.28 = 260,689.52/x
  3. Step 3: Cross multiply
    454,246.40x = 626,874.28 × 260,689.52
  4. Step 4: Simplify right side
    454,246.40x = 163,419,555,153.55
  5. Step 5: Solve for x
    x = 163,419,555,153.55/454,246.40
  6. Step 6: Final answer
    x = 359,759.71

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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.