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Finding the Fourth Proportional to 368,691.01, 508,950.86 and 247,902.31

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Solution

The fourth proportional to 368,691.01, 508,950.86 and 247,902.31 is: 342,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,691.01 : 508,950.86 = 247,902.31 : x
  2. Step 2: Convert to fraction form
    368,691.01/508,950.86 = 247,902.31/x
  3. Step 3: Cross multiply
    368,691.01x = 508,950.86 × 247,902.31
  4. Step 4: Simplify right side
    368,691.01x = 126,170,093,217.87
  5. Step 5: Solve for x
    x = 126,170,093,217.87/368,691.01
  6. Step 6: Final answer
    x = 342,210.93

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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.