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Finding the Fourth Proportional to 576,061.86, 864,091.81 and 238,877.49

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Solution

The fourth proportional to 576,061.86, 864,091.81 and 238,877.49 is: 358,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,061.86 : 864,091.81 = 238,877.49 : x
  2. Step 2: Convert to fraction form
    576,061.86/864,091.81 = 238,877.49/x
  3. Step 3: Cross multiply
    576,061.86x = 864,091.81 × 238,877.49
  4. Step 4: Simplify right side
    576,061.86x = 206,412,082,702.36
  5. Step 5: Solve for x
    x = 206,412,082,702.36/576,061.86
  6. Step 6: Final answer
    x = 358,315.83

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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.