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Finding the Fourth Proportional to 348,545.34, 522,861.80 and 111,824.46

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Solution

The fourth proportional to 348,545.34, 522,861.80 and 111,824.46 is: 167,750.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,545.34 : 522,861.80 = 111,824.46 : x
  2. Step 2: Convert to fraction form
    348,545.34/522,861.80 = 111,824.46/x
  3. Step 3: Cross multiply
    348,545.34x = 522,861.80 × 111,824.46
  4. Step 4: Simplify right side
    348,545.34x = 58,468,737,880.51
  5. Step 5: Solve for x
    x = 58,468,737,880.51/348,545.34
  6. Step 6: Final answer
    x = 167,750.74

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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.