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Finding the Fourth Proportional to 284,009.75, 392,063.91 and 245,092.76

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Solution

The fourth proportional to 284,009.75, 392,063.91 and 245,092.76 is: 338,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,009.75 : 392,063.91 = 245,092.76 : x
  2. Step 2: Convert to fraction form
    284,009.75/392,063.91 = 245,092.76/x
  3. Step 3: Cross multiply
    284,009.75x = 392,063.91 × 245,092.76
  4. Step 4: Simplify right side
    284,009.75x = 96,092,025,798.29
  5. Step 5: Solve for x
    x = 96,092,025,798.29/284,009.75
  6. Step 6: Final answer
    x = 338,340.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.