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Finding the Fourth Proportional to 503,486.78, 755,155.04 and 166,529.30

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Solution

The fourth proportional to 503,486.78, 755,155.04 and 166,529.30 is: 249,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,486.78 : 755,155.04 = 166,529.30 : x
  2. Step 2: Convert to fraction form
    503,486.78/755,155.04 = 166,529.30/x
  3. Step 3: Cross multiply
    503,486.78x = 755,155.04 × 166,529.30
  4. Step 4: Simplify right side
    503,486.78x = 125,755,440,202.67
  5. Step 5: Solve for x
    x = 125,755,440,202.67/503,486.78
  6. Step 6: Final answer
    x = 249,769.10

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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.