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Finding the Fourth Proportional to 304,344.34, 420,011.12 and 175,302.43

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Solution

The fourth proportional to 304,344.34, 420,011.12 and 175,302.43 is: 241,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,344.34 : 420,011.12 = 175,302.43 : x
  2. Step 2: Convert to fraction form
    304,344.34/420,011.12 = 175,302.43/x
  3. Step 3: Cross multiply
    304,344.34x = 420,011.12 × 175,302.43
  4. Step 4: Simplify right side
    304,344.34x = 73,628,969,963.02
  5. Step 5: Solve for x
    x = 73,628,969,963.02/304,344.34
  6. Step 6: Final answer
    x = 241,926.53

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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.