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Finding the Fourth Proportional to 341,463.60, 512,272.20 and 104,817.20

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Solution

The fourth proportional to 341,463.60, 512,272.20 and 104,817.20 is: 157,249.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,463.60 : 512,272.20 = 104,817.20 : x
  2. Step 2: Convert to fraction form
    341,463.60/512,272.20 = 104,817.20/x
  3. Step 3: Cross multiply
    341,463.60x = 512,272.20 × 104,817.20
  4. Step 4: Simplify right side
    341,463.60x = 53,694,937,641.84
  5. Step 5: Solve for x
    x = 53,694,937,641.84/341,463.60
  6. Step 6: Final answer
    x = 157,249.37

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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.