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Finding the Fourth Proportional to 230,595.20, 345,201.60 and 202,947.20

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Solution

The fourth proportional to 230,595.20, 345,201.60 and 202,947.20 is: 303,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,595.20 : 345,201.60 = 202,947.20 : x
  2. Step 2: Convert to fraction form
    230,595.20/345,201.60 = 202,947.20/x
  3. Step 3: Cross multiply
    230,595.20x = 345,201.60 × 202,947.20
  4. Step 4: Simplify right side
    230,595.20x = 70,057,698,155.52
  5. Step 5: Solve for x
    x = 70,057,698,155.52/230,595.20
  6. Step 6: Final answer
    x = 303,812.47

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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.