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Finding the Fourth Proportional to 306,599.92, 423,078.56 and 226,070.92

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Solution

The fourth proportional to 306,599.92, 423,078.56 and 226,070.92 is: 311,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,599.92 : 423,078.56 = 226,070.92 : x
  2. Step 2: Convert to fraction form
    306,599.92/423,078.56 = 226,070.92/x
  3. Step 3: Cross multiply
    306,599.92x = 423,078.56 × 226,070.92
  4. Step 4: Simplify right side
    306,599.92x = 95,645,759,291.48
  5. Step 5: Solve for x
    x = 95,645,759,291.48/306,599.92
  6. Step 6: Final answer
    x = 311,956.24

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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.