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Finding the Fourth Proportional to 1,737,472.45, 2,603,938.89 and 968,939.50

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Solution

The fourth proportional to 1,737,472.45, 2,603,938.89 and 968,939.50 is: 1,452,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,737,472.45 : 2,603,938.89 = 968,939.50 : x
  2. Step 2: Convert to fraction form
    1,737,472.45/2,603,938.89 = 968,939.50/x
  3. Step 3: Cross multiply
    1,737,472.45x = 2,603,938.89 × 968,939.50
  4. Step 4: Simplify right side
    1,737,472.45x = 2,523,059,246,107.16
  5. Step 5: Solve for x
    x = 2,523,059,246,107.16/1,737,472.45
  6. Step 6: Final answer
    x = 1,452,143.45

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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.