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Finding the Fourth Proportional to 453,157.20, 625,344.46 and 249,208.12

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Solution

The fourth proportional to 453,157.20, 625,344.46 and 249,208.12 is: 343,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,157.20 : 625,344.46 = 249,208.12 : x
  2. Step 2: Convert to fraction form
    453,157.20/625,344.46 = 249,208.12/x
  3. Step 3: Cross multiply
    453,157.20x = 625,344.46 × 249,208.12
  4. Step 4: Simplify right side
    453,157.20x = 155,840,917,229.02
  5. Step 5: Solve for x
    x = 155,840,917,229.02/453,157.20
  6. Step 6: Final answer
    x = 343,900.34

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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.