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Finding the Fourth Proportional to 4,649,585.34, 6,974,249.06 and 1,237,901.20

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Solution

The fourth proportional to 4,649,585.34, 6,974,249.06 and 1,237,901.20 is: 1,856,817.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,649,585.34 : 6,974,249.06 = 1,237,901.20 : x
  2. Step 2: Convert to fraction form
    4,649,585.34/6,974,249.06 = 1,237,901.20/x
  3. Step 3: Cross multiply
    4,649,585.34x = 6,974,249.06 × 1,237,901.20
  4. Step 4: Simplify right side
    4,649,585.34x = 8,633,431,280,472.87
  5. Step 5: Solve for x
    x = 8,633,431,280,472.87/4,649,585.34
  6. Step 6: Final answer
    x = 1,856,817.47

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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.