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Finding the Fourth Proportional to 526,809.36, 789,524.88 and 211,487.52

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Solution

The fourth proportional to 526,809.36, 789,524.88 and 211,487.52 is: 316,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,809.36 : 789,524.88 = 211,487.52 : x
  2. Step 2: Convert to fraction form
    526,809.36/789,524.88 = 211,487.52/x
  3. Step 3: Cross multiply
    526,809.36x = 789,524.88 × 211,487.52
  4. Step 4: Simplify right side
    526,809.36x = 166,974,658,849.50
  5. Step 5: Solve for x
    x = 166,974,658,849.50/526,809.36
  6. Step 6: Final answer
    x = 316,954.62

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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.