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Finding the Fourth Proportional to 826,616.16, 1,240,053.84 and 353,304

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Solution

The fourth proportional to 826,616.16, 1,240,053.84 and 353,304 is: 530,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,616.16 : 1,240,053.84 = 353,304 : x
  2. Step 2: Convert to fraction form
    826,616.16/1,240,053.84 = 353,304/x
  3. Step 3: Cross multiply
    826,616.16x = 1,240,053.84 × 353,304
  4. Step 4: Simplify right side
    826,616.16x = 438,115,981,887.36
  5. Step 5: Solve for x
    x = 438,115,981,887.36/826,616.16
  6. Step 6: Final answer
    x = 530,011.39

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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.