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Finding the Fourth Proportional to 234,482.38, 323,591.70 and 143,888.41

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Solution

The fourth proportional to 234,482.38, 323,591.70 and 143,888.41 is: 198,569.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,482.38 : 323,591.70 = 143,888.41 : x
  2. Step 2: Convert to fraction form
    234,482.38/323,591.70 = 143,888.41/x
  3. Step 3: Cross multiply
    234,482.38x = 323,591.70 × 143,888.41
  4. Step 4: Simplify right side
    234,482.38x = 46,561,095,202.20
  5. Step 5: Solve for x
    x = 46,561,095,202.20/234,482.38
  6. Step 6: Final answer
    x = 198,569.70

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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.