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Finding the Fourth Proportional to 231,707.30, 323,602.90 and 231,707.30

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Solution

The fourth proportional to 231,707.30, 323,602.90 and 231,707.30 is: 323,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,707.30 : 323,602.90 = 231,707.30 : x
  2. Step 2: Convert to fraction form
    231,707.30/323,602.90 = 231,707.30/x
  3. Step 3: Cross multiply
    231,707.30x = 323,602.90 × 231,707.30
  4. Step 4: Simplify right side
    231,707.30x = 74,981,154,231.17
  5. Step 5: Solve for x
    x = 74,981,154,231.17/231,707.30
  6. Step 6: Final answer
    x = 323,602.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.