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Finding the Fourth Proportional to 387,692.48, 581,300.64 and 150,758.96

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Solution

The fourth proportional to 387,692.48, 581,300.64 and 150,758.96 is: 226,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,692.48 : 581,300.64 = 150,758.96 : x
  2. Step 2: Convert to fraction form
    387,692.48/581,300.64 = 150,758.96/x
  3. Step 3: Cross multiply
    387,692.48x = 581,300.64 × 150,758.96
  4. Step 4: Simplify right side
    387,692.48x = 87,636,279,933.73
  5. Step 5: Solve for x
    x = 87,636,279,933.73/387,692.48
  6. Step 6: Final answer
    x = 226,045.86

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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.