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Finding the Fourth Proportional to 347,658.67, 521,488.01 and 189,801.01

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Solution

The fourth proportional to 347,658.67, 521,488.01 and 189,801.01 is: 284,701.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,658.67 : 521,488.01 = 189,801.01 : x
  2. Step 2: Convert to fraction form
    347,658.67/521,488.01 = 189,801.01/x
  3. Step 3: Cross multiply
    347,658.67x = 521,488.01 × 189,801.01
  4. Step 4: Simplify right side
    347,658.67x = 98,978,951,000.89
  5. Step 5: Solve for x
    x = 98,978,951,000.89/347,658.67
  6. Step 6: Final answer
    x = 284,701.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.