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Finding the Fourth Proportional to 352,488.93, 486,443.39 and 191,343.62

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Solution

The fourth proportional to 352,488.93, 486,443.39 and 191,343.62 is: 264,058.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,488.93 : 486,443.39 = 191,343.62 : x
  2. Step 2: Convert to fraction form
    352,488.93/486,443.39 = 191,343.62/x
  3. Step 3: Cross multiply
    352,488.93x = 486,443.39 × 191,343.62
  4. Step 4: Simplify right side
    352,488.93x = 93,077,835,778.74
  5. Step 5: Solve for x
    x = 93,077,835,778.74/352,488.93
  6. Step 6: Final answer
    x = 264,058.89

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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.