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Finding the Fourth Proportional to 344,600.60, 516,689.22 and 133,993.04

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Solution

The fourth proportional to 344,600.60, 516,689.22 and 133,993.04 is: 200,907.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,600.60 : 516,689.22 = 133,993.04 : x
  2. Step 2: Convert to fraction form
    344,600.60/516,689.22 = 133,993.04/x
  3. Step 3: Cross multiply
    344,600.60x = 516,689.22 × 133,993.04
  4. Step 4: Simplify right side
    344,600.60x = 69,232,759,323.03
  5. Step 5: Solve for x
    x = 69,232,759,323.03/344,600.60
  6. Step 6: Final answer
    x = 200,907.25

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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.