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Finding the Fourth Proportional to 342,801.10, 514,201.65 and 254,227.60

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Solution

The fourth proportional to 342,801.10, 514,201.65 and 254,227.60 is: 381,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,801.10 : 514,201.65 = 254,227.60 : x
  2. Step 2: Convert to fraction form
    342,801.10/514,201.65 = 254,227.60/x
  3. Step 3: Cross multiply
    342,801.10x = 514,201.65 × 254,227.60
  4. Step 4: Simplify right side
    342,801.10x = 130,724,251,395.54
  5. Step 5: Solve for x
    x = 130,724,251,395.54/342,801.10
  6. Step 6: Final answer
    x = 381,341.40

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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.