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Finding the Fourth Proportional to 222,617.72, 307,258.88 and 204,684.32

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Solution

The fourth proportional to 222,617.72, 307,258.88 and 204,684.32 is: 282,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,617.72 : 307,258.88 = 204,684.32 : x
  2. Step 2: Convert to fraction form
    222,617.72/307,258.88 = 204,684.32/x
  3. Step 3: Cross multiply
    222,617.72x = 307,258.88 × 204,684.32
  4. Step 4: Simplify right side
    222,617.72x = 62,891,074,916.76
  5. Step 5: Solve for x
    x = 62,891,074,916.76/222,617.72
  6. Step 6: Final answer
    x = 282,507.05

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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.