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Finding the Fourth Proportional to 528,082.70, 792,116.85 and 173,108.30

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Solution

The fourth proportional to 528,082.70, 792,116.85 and 173,108.30 is: 259,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,082.70 : 792,116.85 = 173,108.30 : x
  2. Step 2: Convert to fraction form
    528,082.70/792,116.85 = 173,108.30/x
  3. Step 3: Cross multiply
    528,082.70x = 792,116.85 × 173,108.30
  4. Step 4: Simplify right side
    528,082.70x = 137,122,001,304.86
  5. Step 5: Solve for x
    x = 137,122,001,304.86/528,082.70
  6. Step 6: Final answer
    x = 259,660.09

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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.