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Finding the Fourth Proportional to 538,692.73, 808,051.40 and 159,606.35

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Solution

The fourth proportional to 538,692.73, 808,051.40 and 159,606.35 is: 239,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,692.73 : 808,051.40 = 159,606.35 : x
  2. Step 2: Convert to fraction form
    538,692.73/808,051.40 = 159,606.35/x
  3. Step 3: Cross multiply
    538,692.73x = 808,051.40 × 159,606.35
  4. Step 4: Simplify right side
    538,692.73x = 128,970,129,728.10
  5. Step 5: Solve for x
    x = 128,970,129,728.10/538,692.73
  6. Step 6: Final answer
    x = 239,413.16

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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.