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Finding the Fourth Proportional to 341,424.30, 512,136.45 and 163,839.90

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Solution

The fourth proportional to 341,424.30, 512,136.45 and 163,839.90 is: 245,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,424.30 : 512,136.45 = 163,839.90 : x
  2. Step 2: Convert to fraction form
    341,424.30/512,136.45 = 163,839.90/x
  3. Step 3: Cross multiply
    341,424.30x = 512,136.45 × 163,839.90
  4. Step 4: Simplify right side
    341,424.30x = 83,908,384,754.36
  5. Step 5: Solve for x
    x = 83,908,384,754.36/341,424.30
  6. Step 6: Final answer
    x = 245,759.85

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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.