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Finding the Fourth Proportional to 528,267.48, 792,373.68 and 173,234.76

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Solution

The fourth proportional to 528,267.48, 792,373.68 and 173,234.76 is: 259,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,267.48 : 792,373.68 = 173,234.76 : x
  2. Step 2: Convert to fraction form
    528,267.48/792,373.68 = 173,234.76/x
  3. Step 3: Cross multiply
    528,267.48x = 792,373.68 × 173,234.76
  4. Step 4: Simplify right side
    528,267.48x = 137,266,664,285.12
  5. Step 5: Solve for x
    x = 137,266,664,285.12/528,267.48
  6. Step 6: Final answer
    x = 259,843.11

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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.