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Finding the Fourth Proportional to 341,432.20, 512,148.30 and 119,816.20

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Solution

The fourth proportional to 341,432.20, 512,148.30 and 119,816.20 is: 179,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,432.20 : 512,148.30 = 119,816.20 : x
  2. Step 2: Convert to fraction form
    341,432.20/512,148.30 = 119,816.20/x
  3. Step 3: Cross multiply
    341,432.20x = 512,148.30 × 119,816.20
  4. Step 4: Simplify right side
    341,432.20x = 61,363,663,142.46
  5. Step 5: Solve for x
    x = 61,363,663,142.46/341,432.20
  6. Step 6: Final answer
    x = 179,724.30

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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.