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Finding the Fourth Proportional to 403,354.74, 556,608.39 and 222,031.26

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Solution

The fourth proportional to 403,354.74, 556,608.39 and 222,031.26 is: 306,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,354.74 : 556,608.39 = 222,031.26 : x
  2. Step 2: Convert to fraction form
    403,354.74/556,608.39 = 222,031.26/x
  3. Step 3: Cross multiply
    403,354.74x = 556,608.39 × 222,031.26
  4. Step 4: Simplify right side
    403,354.74x = 123,584,462,158.27
  5. Step 5: Solve for x
    x = 123,584,462,158.27/403,354.74
  6. Step 6: Final answer
    x = 306,391.50

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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.