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Finding the Fourth Proportional to 496,018.17, 744,065.71 and 154,418.69

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Solution

The fourth proportional to 496,018.17, 744,065.71 and 154,418.69 is: 231,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,018.17 : 744,065.71 = 154,418.69 : x
  2. Step 2: Convert to fraction form
    496,018.17/744,065.71 = 154,418.69/x
  3. Step 3: Cross multiply
    496,018.17x = 744,065.71 × 154,418.69
  4. Step 4: Simplify right side
    496,018.17x = 114,897,652,212.12
  5. Step 5: Solve for x
    x = 114,897,652,212.12/496,018.17
  6. Step 6: Final answer
    x = 231,640.01

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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.