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Finding the Fourth Proportional to 824,960.88, 1,138,344.84 and 502,553.88

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Solution

The fourth proportional to 824,960.88, 1,138,344.84 and 502,553.88 is: 693,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,960.88 : 1,138,344.84 = 502,553.88 : x
  2. Step 2: Convert to fraction form
    824,960.88/1,138,344.84 = 502,553.88/x
  3. Step 3: Cross multiply
    824,960.88x = 1,138,344.84 × 502,553.88
  4. Step 4: Simplify right side
    824,960.88x = 572,079,616,119.98
  5. Step 5: Solve for x
    x = 572,079,616,119.98/824,960.88
  6. Step 6: Final answer
    x = 693,462.72

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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.