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Finding the Fourth Proportional to 872,560.68, 1,308,841.39 and 273,568.54

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Solution

The fourth proportional to 872,560.68, 1,308,841.39 and 273,568.54 is: 410,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,560.68 : 1,308,841.39 = 273,568.54 : x
  2. Step 2: Convert to fraction form
    872,560.68/1,308,841.39 = 273,568.54/x
  3. Step 3: Cross multiply
    872,560.68x = 1,308,841.39 × 273,568.54
  4. Step 4: Simplify right side
    872,560.68x = 358,057,821,609.66
  5. Step 5: Solve for x
    x = 358,057,821,609.66/872,560.68
  6. Step 6: Final answer
    x = 410,352.92

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1.5x scale

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.