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Finding the Fourth Proportional to 431,872.34, 595,982.28 and 240,885.58

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Solution

The fourth proportional to 431,872.34, 595,982.28 and 240,885.58 is: 332,421.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,872.34 : 595,982.28 = 240,885.58 : x
  2. Step 2: Convert to fraction form
    431,872.34/595,982.28 = 240,885.58/x
  3. Step 3: Cross multiply
    431,872.34x = 595,982.28 × 240,885.58
  4. Step 4: Simplify right side
    431,872.34x = 143,563,537,187.52
  5. Step 5: Solve for x
    x = 143,563,537,187.52/431,872.34
  6. Step 6: Final answer
    x = 332,421.24

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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.