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Finding the Fourth Proportional to 234,488.20, 323,599.76 and 143,894.20

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Solution

The fourth proportional to 234,488.20, 323,599.76 and 143,894.20 is: 198,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,488.20 : 323,599.76 = 143,894.20 : x
  2. Step 2: Convert to fraction form
    234,488.20/323,599.76 = 143,894.20/x
  3. Step 3: Cross multiply
    234,488.20x = 323,599.76 × 143,894.20
  4. Step 4: Simplify right side
    234,488.20x = 46,564,128,585.39
  5. Step 5: Solve for x
    x = 46,564,128,585.39/234,488.20
  6. Step 6: Final answer
    x = 198,577.70

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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.