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Finding the Fourth Proportional to 208,334.61, 312,520.38 and 58,576.21

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Solution

The fourth proportional to 208,334.61, 312,520.38 and 58,576.21 is: 87,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,334.61 : 312,520.38 = 58,576.21 : x
  2. Step 2: Convert to fraction form
    208,334.61/312,520.38 = 58,576.21/x
  3. Step 3: Cross multiply
    208,334.61x = 312,520.38 × 58,576.21
  4. Step 4: Simplify right side
    208,334.61x = 18,306,257,552.68
  5. Step 5: Solve for x
    x = 18,306,257,552.68/208,334.61
  6. Step 6: Final answer
    x = 87,869.50

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1.5x scale

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.