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Finding the Fourth Proportional to 207,580.31, 310,233.11 and 151,538.43

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Solution

The fourth proportional to 207,580.31, 310,233.11 and 151,538.43 is: 226,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,580.31 : 310,233.11 = 151,538.43 : x
  2. Step 2: Convert to fraction form
    207,580.31/310,233.11 = 151,538.43/x
  3. Step 3: Cross multiply
    207,580.31x = 310,233.11 × 151,538.43
  4. Step 4: Simplify right side
    207,580.31x = 47,012,238,423.42
  5. Step 5: Solve for x
    x = 47,012,238,423.42/207,580.31
  6. Step 6: Final answer
    x = 226,477.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.