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Finding the Fourth Proportional to 627,581.65, 866,071.45 and 341,101.65

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Solution

The fourth proportional to 627,581.65, 866,071.45 and 341,101.65 is: 470,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,581.65 : 866,071.45 = 341,101.65 : x
  2. Step 2: Convert to fraction form
    627,581.65/866,071.45 = 341,101.65/x
  3. Step 3: Cross multiply
    627,581.65x = 866,071.45 × 341,101.65
  4. Step 4: Simplify right side
    627,581.65x = 295,418,398,907.38
  5. Step 5: Solve for x
    x = 295,418,398,907.38/627,581.65
  6. Step 6: Final answer
    x = 470,725.04

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Double scale
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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.