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Finding the Fourth Proportional to 468,874.41, 647,043.10 and 254,012.93

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Solution

The fourth proportional to 468,874.41, 647,043.10 and 254,012.93 is: 350,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,874.41 : 647,043.10 = 254,012.93 : x
  2. Step 2: Convert to fraction form
    468,874.41/647,043.10 = 254,012.93/x
  3. Step 3: Cross multiply
    468,874.41x = 647,043.10 × 254,012.93
  4. Step 4: Simplify right side
    468,874.41x = 164,357,313,667.28
  5. Step 5: Solve for x
    x = 164,357,313,667.28/468,874.41
  6. Step 6: Final answer
    x = 350,535.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.