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Finding the Fourth Proportional to 535,817.73, 803,726.55 and 161,840.73

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Solution

The fourth proportional to 535,817.73, 803,726.55 and 161,840.73 is: 242,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,817.73 : 803,726.55 = 161,840.73 : x
  2. Step 2: Convert to fraction form
    535,817.73/803,726.55 = 161,840.73/x
  3. Step 3: Cross multiply
    535,817.73x = 803,726.55 × 161,840.73
  4. Step 4: Simplify right side
    535,817.73x = 130,075,691,572.38
  5. Step 5: Solve for x
    x = 130,075,691,572.38/535,817.73
  6. Step 6: Final answer
    x = 242,761.08

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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.