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Finding the Fourth Proportional to 528,098.46, 792,134.61 and 154,124.70

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Solution

The fourth proportional to 528,098.46, 792,134.61 and 154,124.70 is: 231,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,098.46 : 792,134.61 = 154,124.70 : x
  2. Step 2: Convert to fraction form
    528,098.46/792,134.61 = 154,124.70/x
  3. Step 3: Cross multiply
    528,098.46x = 792,134.61 × 154,124.70
  4. Step 4: Simplify right side
    528,098.46x = 122,087,509,125.87
  5. Step 5: Solve for x
    x = 122,087,509,125.87/528,098.46
  6. Step 6: Final answer
    x = 231,183.23

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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.