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Finding the Fourth Proportional to 528,092.46, 792,125.61 and 154,118.70

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Solution

The fourth proportional to 528,092.46, 792,125.61 and 154,118.70 is: 231,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,092.46 : 792,125.61 = 154,118.70 : x
  2. Step 2: Convert to fraction form
    528,092.46/792,125.61 = 154,118.70/x
  3. Step 3: Cross multiply
    528,092.46x = 792,125.61 × 154,118.70
  4. Step 4: Simplify right side
    528,092.46x = 122,081,369,249.91
  5. Step 5: Solve for x
    x = 122,081,369,249.91/528,092.46
  6. Step 6: Final answer
    x = 231,174.23

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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.