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Finding the Fourth Proportional to 484,428.53, 668,502.52 and 269,566.72

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Solution

The fourth proportional to 484,428.53, 668,502.52 and 269,566.72 is: 371,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,428.53 : 668,502.52 = 269,566.72 : x
  2. Step 2: Convert to fraction form
    484,428.53/668,502.52 = 269,566.72/x
  3. Step 3: Cross multiply
    484,428.53x = 668,502.52 × 269,566.72
  4. Step 4: Simplify right side
    484,428.53x = 180,206,029,282.96
  5. Step 5: Solve for x
    x = 180,206,029,282.96/484,428.53
  6. Step 6: Final answer
    x = 371,997.14

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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.