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Finding the Fourth Proportional to 520,835.38, 781,255.04 and 183,692.93

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Solution

The fourth proportional to 520,835.38, 781,255.04 and 183,692.93 is: 275,540.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,835.38 : 781,255.04 = 183,692.93 : x
  2. Step 2: Convert to fraction form
    520,835.38/781,255.04 = 183,692.93/x
  3. Step 3: Cross multiply
    520,835.38x = 781,255.04 × 183,692.93
  4. Step 4: Simplify right side
    520,835.38x = 143,511,022,550.13
  5. Step 5: Solve for x
    x = 143,511,022,550.13/520,835.38
  6. Step 6: Final answer
    x = 275,540.08

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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.