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Finding the Fourth Proportional to 341,612.40, 512,418.60 and 104,954.70

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Solution

The fourth proportional to 341,612.40, 512,418.60 and 104,954.70 is: 157,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,612.40 : 512,418.60 = 104,954.70 : x
  2. Step 2: Convert to fraction form
    341,612.40/512,418.60 = 104,954.70/x
  3. Step 3: Cross multiply
    341,612.40x = 512,418.60 × 104,954.70
  4. Step 4: Simplify right side
    341,612.40x = 53,780,740,437.42
  5. Step 5: Solve for x
    x = 53,780,740,437.42/341,612.40
  6. Step 6: Final answer
    x = 157,432.05

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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.