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Finding the Fourth Proportional to 347,847.82, 521,710.22 and 158,263.62

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Solution

The fourth proportional to 347,847.82, 521,710.22 and 158,263.62 is: 237,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,847.82 : 521,710.22 = 158,263.62 : x
  2. Step 2: Convert to fraction form
    347,847.82/521,710.22 = 158,263.62/x
  3. Step 3: Cross multiply
    347,847.82x = 521,710.22 × 158,263.62
  4. Step 4: Simplify right side
    347,847.82x = 82,567,748,491.83
  5. Step 5: Solve for x
    x = 82,567,748,491.83/347,847.82
  6. Step 6: Final answer
    x = 237,367.45

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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.