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Finding the Fourth Proportional to 360,422.96, 497,371.50 and 207,439.92

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Solution

The fourth proportional to 360,422.96, 497,371.50 and 207,439.92 is: 286,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,422.96 : 497,371.50 = 207,439.92 : x
  2. Step 2: Convert to fraction form
    360,422.96/497,371.50 = 207,439.92/x
  3. Step 3: Cross multiply
    360,422.96x = 497,371.50 × 207,439.92
  4. Step 4: Simplify right side
    360,422.96x = 103,174,704,170.28
  5. Step 5: Solve for x
    x = 103,174,704,170.28/360,422.96
  6. Step 6: Final answer
    x = 286,260.08

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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.