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Finding the Fourth Proportional to 528,099.46, 792,136.11 and 154,125.70

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Solution

The fourth proportional to 528,099.46, 792,136.11 and 154,125.70 is: 231,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,099.46 : 792,136.11 = 154,125.70 : x
  2. Step 2: Convert to fraction form
    528,099.46/792,136.11 = 154,125.70/x
  3. Step 3: Cross multiply
    528,099.46x = 792,136.11 × 154,125.70
  4. Step 4: Simplify right side
    528,099.46x = 122,088,532,449.03
  5. Step 5: Solve for x
    x = 122,088,532,449.03/528,099.46
  6. Step 6: Final answer
    x = 231,184.73

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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.