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Finding the Fourth Proportional to 360,683.88, 497,699.64 and 199,516.92

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Solution

The fourth proportional to 360,683.88, 497,699.64 and 199,516.92 is: 275,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,683.88 : 497,699.64 = 199,516.92 : x
  2. Step 2: Convert to fraction form
    360,683.88/497,699.64 = 199,516.92/x
  3. Step 3: Cross multiply
    360,683.88x = 497,699.64 × 199,516.92
  4. Step 4: Simplify right side
    360,683.88x = 99,299,499,257.91
  5. Step 5: Solve for x
    x = 99,299,499,257.91/360,683.88
  6. Step 6: Final answer
    x = 275,308.95

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Double scale
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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.