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Finding the Fourth Proportional to 403,337.91, 556,597.56 and 222,042.90

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Solution

The fourth proportional to 403,337.91, 556,597.56 and 222,042.90 is: 306,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,337.91 : 556,597.56 = 222,042.90 : x
  2. Step 2: Convert to fraction form
    403,337.91/556,597.56 = 222,042.90/x
  3. Step 3: Cross multiply
    403,337.91x = 556,597.56 × 222,042.90
  4. Step 4: Simplify right side
    403,337.91x = 123,588,536,355.32
  5. Step 5: Solve for x
    x = 123,588,536,355.32/403,337.91
  6. Step 6: Final answer
    x = 306,414.38

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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.