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Finding the Fourth Proportional to 401,036.30, 601,554.45 and 251,737.10

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Solution

The fourth proportional to 401,036.30, 601,554.45 and 251,737.10 is: 377,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,036.30 : 601,554.45 = 251,737.10 : x
  2. Step 2: Convert to fraction form
    401,036.30/601,554.45 = 251,737.10/x
  3. Step 3: Cross multiply
    401,036.30x = 601,554.45 × 251,737.10
  4. Step 4: Simplify right side
    401,036.30x = 151,433,572,735.10
  5. Step 5: Solve for x
    x = 151,433,572,735.10/401,036.30
  6. Step 6: Final answer
    x = 377,605.65

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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.