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Finding the Fourth Proportional to 360,673.57, 497,766.90 and 207,717.22

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Solution

The fourth proportional to 360,673.57, 497,766.90 and 207,717.22 is: 286,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,673.57 : 497,766.90 = 207,717.22 : x
  2. Step 2: Convert to fraction form
    360,673.57/497,766.90 = 207,717.22/x
  3. Step 3: Cross multiply
    360,673.57x = 497,766.90 × 207,717.22
  4. Step 4: Simplify right side
    360,673.57x = 103,394,756,676.02
  5. Step 5: Solve for x
    x = 103,394,756,676.02/360,673.57
  6. Step 6: Final answer
    x = 286,671.29

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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.