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Finding the Fourth Proportional to 290,560.56, 401,006.04 and 175,902.38

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Solution

The fourth proportional to 290,560.56, 401,006.04 and 175,902.38 is: 242,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,560.56 : 401,006.04 = 175,902.38 : x
  2. Step 2: Convert to fraction form
    290,560.56/401,006.04 = 175,902.38/x
  3. Step 3: Cross multiply
    290,560.56x = 401,006.04 × 175,902.38
  4. Step 4: Simplify right side
    290,560.56x = 70,537,916,830.38
  5. Step 5: Solve for x
    x = 70,537,916,830.38/290,560.56
  6. Step 6: Final answer
    x = 242,764.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.