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Finding the Fourth Proportional to 348,380.70, 522,959.85 and 325,538.70

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Solution

The fourth proportional to 348,380.70, 522,959.85 and 325,538.70 is: 488,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,380.70 : 522,959.85 = 325,538.70 : x
  2. Step 2: Convert to fraction form
    348,380.70/522,959.85 = 325,538.70/x
  3. Step 3: Cross multiply
    348,380.70x = 522,959.85 × 325,538.70
  4. Step 4: Simplify right side
    348,380.70x = 170,243,669,721.20
  5. Step 5: Solve for x
    x = 170,243,669,721.20/348,380.70
  6. Step 6: Final answer
    x = 488,671.36

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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.