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Finding the Fourth Proportional to 528,041.73, 792,087.20 and 154,064.73

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Solution

The fourth proportional to 528,041.73, 792,087.20 and 154,064.73 is: 231,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,041.73 : 792,087.20 = 154,064.73 : x
  2. Step 2: Convert to fraction form
    528,041.73/792,087.20 = 154,064.73/x
  3. Step 3: Cross multiply
    528,041.73x = 792,087.20 × 154,064.73
  4. Step 4: Simplify right side
    528,041.73x = 122,032,700,604.46
  5. Step 5: Solve for x
    x = 122,032,700,604.46/528,041.73
  6. Step 6: Final answer
    x = 231,104.27

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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.