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Finding the Fourth Proportional to 330,248.93, 455,883.08 and 222,964.29

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Solution

The fourth proportional to 330,248.93, 455,883.08 and 222,964.29 is: 307,784.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,248.93 : 455,883.08 = 222,964.29 : x
  2. Step 2: Convert to fraction form
    330,248.93/455,883.08 = 222,964.29/x
  3. Step 3: Cross multiply
    330,248.93x = 455,883.08 × 222,964.29
  4. Step 4: Simplify right side
    330,248.93x = 101,645,646,140.39
  5. Step 5: Solve for x
    x = 101,645,646,140.39/330,248.93
  6. Step 6: Final answer
    x = 307,784.94

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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.