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Finding the Fourth Proportional to 677,219.77, 934,572.38 and 371,295.41

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Solution

The fourth proportional to 677,219.77, 934,572.38 and 371,295.41 is: 512,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,219.77 : 934,572.38 = 371,295.41 : x
  2. Step 2: Convert to fraction form
    677,219.77/934,572.38 = 371,295.41/x
  3. Step 3: Cross multiply
    677,219.77x = 934,572.38 × 371,295.41
  4. Step 4: Simplify right side
    677,219.77x = 347,002,435,822.94
  5. Step 5: Solve for x
    x = 347,002,435,822.94/677,219.77
  6. Step 6: Final answer
    x = 512,392.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.