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Finding the Fourth Proportional to 387,692.68, 581,320.31 and 150,764.03

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Solution

The fourth proportional to 387,692.68, 581,320.31 and 150,764.03 is: 226,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,692.68 : 581,320.31 = 150,764.03 : x
  2. Step 2: Convert to fraction form
    387,692.68/581,320.31 = 150,764.03/x
  3. Step 3: Cross multiply
    387,692.68x = 581,320.31 × 150,764.03
  4. Step 4: Simplify right side
    387,692.68x = 87,642,194,486.66
  5. Step 5: Solve for x
    x = 87,642,194,486.66/387,692.68
  6. Step 6: Final answer
    x = 226,061.00

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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.