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Finding the Fourth Proportional to 402,647.07, 603,527.71 and 165,860.58

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Solution

The fourth proportional to 402,647.07, 603,527.71 and 165,860.58 is: 248,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,647.07 : 603,527.71 = 165,860.58 : x
  2. Step 2: Convert to fraction form
    402,647.07/603,527.71 = 165,860.58/x
  3. Step 3: Cross multiply
    402,647.07x = 603,527.71 × 165,860.58
  4. Step 4: Simplify right side
    402,647.07x = 100,101,456,026.67
  5. Step 5: Solve for x
    x = 100,101,456,026.67/402,647.07
  6. Step 6: Final answer
    x = 248,608.43

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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.