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Finding the Fourth Proportional to 561,247.38, 842,155.38 and 245,707.02

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Solution

The fourth proportional to 561,247.38, 842,155.38 and 245,707.02 is: 368,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,247.38 : 842,155.38 = 245,707.02 : x
  2. Step 2: Convert to fraction form
    561,247.38/842,155.38 = 245,707.02/x
  3. Step 3: Cross multiply
    561,247.38x = 842,155.38 × 245,707.02
  4. Step 4: Simplify right side
    561,247.38x = 206,923,488,796.77
  5. Step 5: Solve for x
    x = 206,923,488,796.77/561,247.38
  6. Step 6: Final answer
    x = 368,685.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.