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Finding the Fourth Proportional to 590,553.79, 814,979.63 and 332,440.17

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Solution

The fourth proportional to 590,553.79, 814,979.63 and 332,440.17 is: 458,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,553.79 : 814,979.63 = 332,440.17 : x
  2. Step 2: Convert to fraction form
    590,553.79/814,979.63 = 332,440.17/x
  3. Step 3: Cross multiply
    590,553.79x = 814,979.63 × 332,440.17
  4. Step 4: Simplify right side
    590,553.79x = 270,931,969,525.08
  5. Step 5: Solve for x
    x = 270,931,969,525.08/590,553.79
  6. Step 6: Final answer
    x = 458,776.11

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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.