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Finding the Fourth Proportional to 452,995.22, 625,137.60 and 249,047.57

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Solution

The fourth proportional to 452,995.22, 625,137.60 and 249,047.57 is: 343,687.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,995.22 : 625,137.60 = 249,047.57 : x
  2. Step 2: Convert to fraction form
    452,995.22/625,137.60 = 249,047.57/x
  3. Step 3: Cross multiply
    452,995.22x = 625,137.60 × 249,047.57
  4. Step 4: Simplify right side
    452,995.22x = 155,689,001,758.48
  5. Step 5: Solve for x
    x = 155,689,001,758.48/452,995.22
  6. Step 6: Final answer
    x = 343,687.96

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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.