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Finding the Fourth Proportional to 341,995.77, 512,993.79 and 89,275.56

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Solution

The fourth proportional to 341,995.77, 512,993.79 and 89,275.56 is: 133,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,995.77 : 512,993.79 = 89,275.56 : x
  2. Step 2: Convert to fraction form
    341,995.77/512,993.79 = 89,275.56/x
  3. Step 3: Cross multiply
    341,995.77x = 512,993.79 × 89,275.56
  4. Step 4: Simplify right side
    341,995.77x = 45,797,807,878.77
  5. Step 5: Solve for x
    x = 45,797,807,878.77/341,995.77
  6. Step 6: Final answer
    x = 133,913.38

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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.