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Finding the Fourth Proportional to 454,636.80, 625,903.20 and 432,194.40

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Solution

The fourth proportional to 454,636.80, 625,903.20 and 432,194.40 is: 595,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,636.80 : 625,903.20 = 432,194.40 : x
  2. Step 2: Convert to fraction form
    454,636.80/625,903.20 = 432,194.40/x
  3. Step 3: Cross multiply
    454,636.80x = 625,903.20 × 432,194.40
  4. Step 4: Simplify right side
    454,636.80x = 270,511,857,982.08
  5. Step 5: Solve for x
    x = 270,511,857,982.08/454,636.80
  6. Step 6: Final answer
    x = 595,006.52

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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.