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Finding the Fourth Proportional to 342,951.20, 514,426.80 and 201,233.60

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Solution

The fourth proportional to 342,951.20, 514,426.80 and 201,233.60 is: 301,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,951.20 : 514,426.80 = 201,233.60 : x
  2. Step 2: Convert to fraction form
    342,951.20/514,426.80 = 201,233.60/x
  3. Step 3: Cross multiply
    342,951.20x = 514,426.80 × 201,233.60
  4. Step 4: Simplify right side
    342,951.20x = 103,519,956,900.48
  5. Step 5: Solve for x
    x = 103,519,956,900.48/342,951.20
  6. Step 6: Final answer
    x = 301,850.40

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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.