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Finding the Fourth Proportional to 360,393.71, 497,317.12 and 199,250.69

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Solution

The fourth proportional to 360,393.71, 497,317.12 and 199,250.69 is: 274,951.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,393.71 : 497,317.12 = 199,250.69 : x
  2. Step 2: Convert to fraction form
    360,393.71/497,317.12 = 199,250.69/x
  3. Step 3: Cross multiply
    360,393.71x = 497,317.12 × 199,250.69
  4. Step 4: Simplify right side
    360,393.71x = 99,090,776,324.10
  5. Step 5: Solve for x
    x = 99,090,776,324.10/360,393.71
  6. Step 6: Final answer
    x = 274,951.46

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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.