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Finding the Fourth Proportional to 528,015.70, 792,023.55 and 173,041.30

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Solution

The fourth proportional to 528,015.70, 792,023.55 and 173,041.30 is: 259,561.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,015.70 : 792,023.55 = 173,041.30 : x
  2. Step 2: Convert to fraction form
    528,015.70/792,023.55 = 173,041.30/x
  3. Step 3: Cross multiply
    528,015.70x = 792,023.55 × 173,041.30
  4. Step 4: Simplify right side
    528,015.70x = 137,052,784,722.62
  5. Step 5: Solve for x
    x = 137,052,784,722.62/528,015.70
  6. Step 6: Final answer
    x = 259,561.95

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Similar ratio
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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.