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Finding the Fourth Proportional to 590,959.65, 886,569.03 and 191,640.79

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Solution

The fourth proportional to 590,959.65, 886,569.03 and 191,640.79 is: 287,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,959.65 : 886,569.03 = 191,640.79 : x
  2. Step 2: Convert to fraction form
    590,959.65/886,569.03 = 191,640.79/x
  3. Step 3: Cross multiply
    590,959.65x = 886,569.03 × 191,640.79
  4. Step 4: Simplify right side
    590,959.65x = 169,902,789,298.73
  5. Step 5: Solve for x
    x = 169,902,789,298.73/590,959.65
  6. Step 6: Final answer
    x = 287,503.20

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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.