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Finding the Fourth Proportional to 453,170.82, 625,363.23 and 249,221.73

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Solution

The fourth proportional to 453,170.82, 625,363.23 and 249,221.73 is: 343,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,170.82 : 625,363.23 = 249,221.73 : x
  2. Step 2: Convert to fraction form
    453,170.82/625,363.23 = 249,221.73/x
  3. Step 3: Cross multiply
    453,170.82x = 625,363.23 × 249,221.73
  4. Step 4: Simplify right side
    453,170.82x = 155,854,106,058.99
  5. Step 5: Solve for x
    x = 155,854,106,058.99/453,170.82
  6. Step 6: Final answer
    x = 343,919.11

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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.