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Finding the Fourth Proportional to 403,340.92, 556,601.70 and 222,045.91

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Solution

The fourth proportional to 403,340.92, 556,601.70 and 222,045.91 is: 306,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,340.92 : 556,601.70 = 222,045.91 : x
  2. Step 2: Convert to fraction form
    403,340.92/556,601.70 = 222,045.91/x
  3. Step 3: Cross multiply
    403,340.92x = 556,601.70 × 222,045.91
  4. Step 4: Simplify right side
    403,340.92x = 123,591,130,984.05
  5. Step 5: Solve for x
    x = 123,591,130,984.05/403,340.92
  6. Step 6: Final answer
    x = 306,418.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.