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Finding the Fourth Proportional to 412,300.80, 568,948.86 and 242,502.12

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Solution

The fourth proportional to 412,300.80, 568,948.86 and 242,502.12 is: 334,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,300.80 : 568,948.86 = 242,502.12 : x
  2. Step 2: Convert to fraction form
    412,300.80/568,948.86 = 242,502.12/x
  3. Step 3: Cross multiply
    412,300.80x = 568,948.86 × 242,502.12
  4. Step 4: Simplify right side
    412,300.80x = 137,971,304,721.58
  5. Step 5: Solve for x
    x = 137,971,304,721.58/412,300.80
  6. Step 6: Final answer
    x = 334,637.49

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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.