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Finding the Fourth Proportional to 872,507.60, 1,307,724.60 and 367,067.60

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Solution

The fourth proportional to 872,507.60, 1,307,724.60 and 367,067.60 is: 550,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.60 : 1,307,724.60 = 367,067.60 : x
  2. Step 2: Convert to fraction form
    872,507.60/1,307,724.60 = 367,067.60/x
  3. Step 3: Cross multiply
    872,507.60x = 1,307,724.60 × 367,067.60
  4. Step 4: Simplify right side
    872,507.60x = 480,023,330,382.96
  5. Step 5: Solve for x
    x = 480,023,330,382.96/872,507.60
  6. Step 6: Final answer
    x = 550,165.21

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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.