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Finding the Fourth Proportional to 366,171.65, 549,057.25 and 290,754.64

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Solution

The fourth proportional to 366,171.65, 549,057.25 and 290,754.64 is: 435,972.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,171.65 : 549,057.25 = 290,754.64 : x
  2. Step 2: Convert to fraction form
    366,171.65/549,057.25 = 290,754.64/x
  3. Step 3: Cross multiply
    366,171.65x = 549,057.25 × 290,754.64
  4. Step 4: Simplify right side
    366,171.65x = 159,640,943,063.14
  5. Step 5: Solve for x
    x = 159,640,943,063.14/366,171.65
  6. Step 6: Final answer
    x = 435,972.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.