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Finding the Fourth Proportional to 360,238.32, 497,147.76 and 207,299.79

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Solution

The fourth proportional to 360,238.32, 497,147.76 and 207,299.79 is: 286,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,238.32 : 497,147.76 = 207,299.79 : x
  2. Step 2: Convert to fraction form
    360,238.32/497,147.76 = 207,299.79/x
  3. Step 3: Cross multiply
    360,238.32x = 497,147.76 × 207,299.79
  4. Step 4: Simplify right side
    360,238.32x = 103,058,626,246.97
  5. Step 5: Solve for x
    x = 103,058,626,246.97/360,238.32
  6. Step 6: Final answer
    x = 286,084.57

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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.