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Finding the Fourth Proportional to 528,396.75, 792,428.75 and 173,328.27

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Solution

The fourth proportional to 528,396.75, 792,428.75 and 173,328.27 is: 259,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,396.75 : 792,428.75 = 173,328.27 : x
  2. Step 2: Convert to fraction form
    528,396.75/792,428.75 = 173,328.27/x
  3. Step 3: Cross multiply
    528,396.75x = 792,428.75 × 173,328.27
  4. Step 4: Simplify right side
    528,396.75x = 137,350,303,469.12
  5. Step 5: Solve for x
    x = 137,350,303,469.12/528,396.75
  6. Step 6: Final answer
    x = 259,937.83

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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.