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Finding the Fourth Proportional to 403,894.88, 557,352.14 and 222,606.24

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Solution

The fourth proportional to 403,894.88, 557,352.14 and 222,606.24 is: 307,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,894.88 : 557,352.14 = 222,606.24 : x
  2. Step 2: Convert to fraction form
    403,894.88/557,352.14 = 222,606.24/x
  3. Step 3: Cross multiply
    403,894.88x = 557,352.14 × 222,606.24
  4. Step 4: Simplify right side
    403,894.88x = 124,070,063,128.32
  5. Step 5: Solve for x
    x = 124,070,063,128.32/403,894.88
  6. Step 6: Final answer
    x = 307,184.05

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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.