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Finding the Fourth Proportional to 522,660.57, 783,461.40 and 354,197.97

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Solution

The fourth proportional to 522,660.57, 783,461.40 and 354,197.97 is: 530,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,660.57 : 783,461.40 = 354,197.97 : x
  2. Step 2: Convert to fraction form
    522,660.57/783,461.40 = 354,197.97/x
  3. Step 3: Cross multiply
    522,660.57x = 783,461.40 × 354,197.97
  4. Step 4: Simplify right side
    522,660.57x = 277,500,437,453.36
  5. Step 5: Solve for x
    x = 277,500,437,453.36/522,660.57
  6. Step 6: Final answer
    x = 530,938.15

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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.