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Finding the Fourth Proportional to 341,199.88, 470,357.40 and 238,903

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Solution

The fourth proportional to 341,199.88, 470,357.40 and 238,903 is: 329,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,199.88 : 470,357.40 = 238,903 : x
  2. Step 2: Convert to fraction form
    341,199.88/470,357.40 = 238,903/x
  3. Step 3: Cross multiply
    341,199.88x = 470,357.40 × 238,903
  4. Step 4: Simplify right side
    341,199.88x = 112,369,793,932.20
  5. Step 5: Solve for x
    x = 112,369,793,932.20/341,199.88
  6. Step 6: Final answer
    x = 329,337.14

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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.