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Finding the Fourth Proportional to 555,082.13, 831,952.69 and 270,345.94

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Solution

The fourth proportional to 555,082.13, 831,952.69 and 270,345.94 is: 405,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,082.13 : 831,952.69 = 270,345.94 : x
  2. Step 2: Convert to fraction form
    555,082.13/831,952.69 = 270,345.94/x
  3. Step 3: Cross multiply
    555,082.13x = 831,952.69 × 270,345.94
  4. Step 4: Simplify right side
    555,082.13x = 224,915,029,257.83
  5. Step 5: Solve for x
    x = 224,915,029,257.83/555,082.13
  6. Step 6: Final answer
    x = 405,192.34

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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.