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Finding the Fourth Proportional to 349,706.88, 482,794.56 and 230,820.48

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Solution

The fourth proportional to 349,706.88, 482,794.56 and 230,820.48 is: 318,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,706.88 : 482,794.56 = 230,820.48 : x
  2. Step 2: Convert to fraction form
    349,706.88/482,794.56 = 230,820.48/x
  3. Step 3: Cross multiply
    349,706.88x = 482,794.56 × 230,820.48
  4. Step 4: Simplify right side
    349,706.88x = 111,438,872,080.59
  5. Step 5: Solve for x
    x = 111,438,872,080.59/349,706.88
  6. Step 6: Final answer
    x = 318,663.65

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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.