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Finding the Fourth Proportional to 290,801.07, 436,271.46 and 101,233.53

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Solution

The fourth proportional to 290,801.07, 436,271.46 and 101,233.53 is: 151,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,801.07 : 436,271.46 = 101,233.53 : x
  2. Step 2: Convert to fraction form
    290,801.07/436,271.46 = 101,233.53/x
  3. Step 3: Cross multiply
    290,801.07x = 436,271.46 × 101,233.53
  4. Step 4: Simplify right side
    290,801.07x = 44,165,299,934.05
  5. Step 5: Solve for x
    x = 44,165,299,934.05/290,801.07
  6. Step 6: Final answer
    x = 151,874.61

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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.