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Finding the Fourth Proportional to 341,908.30, 512,862.45 and 155,284.30

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Solution

The fourth proportional to 341,908.30, 512,862.45 and 155,284.30 is: 232,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,908.30 : 512,862.45 = 155,284.30 : x
  2. Step 2: Convert to fraction form
    341,908.30/512,862.45 = 155,284.30/x
  3. Step 3: Cross multiply
    341,908.30x = 512,862.45 × 155,284.30
  4. Step 4: Simplify right side
    341,908.30x = 79,639,486,544.54
  5. Step 5: Solve for x
    x = 79,639,486,544.54/341,908.30
  6. Step 6: Final answer
    x = 232,926.45

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Similar ratio
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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.