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Finding the Fourth Proportional to 294,680.58, 406,708.12 and 173,851.56

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Solution

The fourth proportional to 294,680.58, 406,708.12 and 173,851.56 is: 239,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,680.58 : 406,708.12 = 173,851.56 : x
  2. Step 2: Convert to fraction form
    294,680.58/406,708.12 = 173,851.56/x
  3. Step 3: Cross multiply
    294,680.58x = 406,708.12 × 173,851.56
  4. Step 4: Simplify right side
    294,680.58x = 70,706,841,126.67
  5. Step 5: Solve for x
    x = 70,706,841,126.67/294,680.58
  6. Step 6: Final answer
    x = 239,944.01

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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.