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Finding the Fourth Proportional to 403,347.85, 556,609.85 and 222,057.97

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Solution

The fourth proportional to 403,347.85, 556,609.85 and 222,057.97 is: 306,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,347.85 : 556,609.85 = 222,057.97 : x
  2. Step 2: Convert to fraction form
    403,347.85/556,609.85 = 222,057.97/x
  3. Step 3: Cross multiply
    403,347.85x = 556,609.85 × 222,057.97
  4. Step 4: Simplify right side
    403,347.85x = 123,599,653,373.01
  5. Step 5: Solve for x
    x = 123,599,653,373.01/403,347.85
  6. Step 6: Final answer
    x = 306,434.39

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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.