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Finding the Fourth Proportional to 234,488.22, 323,599.71 and 143,894.22

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Solution

The fourth proportional to 234,488.22, 323,599.71 and 143,894.22 is: 198,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,488.22 : 323,599.71 = 143,894.22 : x
  2. Step 2: Convert to fraction form
    234,488.22/323,599.71 = 143,894.22/x
  3. Step 3: Cross multiply
    234,488.22x = 323,599.71 × 143,894.22
  4. Step 4: Simplify right side
    234,488.22x = 46,564,127,862.68
  5. Step 5: Solve for x
    x = 46,564,127,862.68/234,488.22
  6. Step 6: Final answer
    x = 198,577.68

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1.5x scale

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.