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Finding the Fourth Proportional to 526,901.87, 789,716.34 and 256,624.94

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Solution

The fourth proportional to 526,901.87, 789,716.34 and 256,624.94 is: 384,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,901.87 : 789,716.34 = 256,624.94 : x
  2. Step 2: Convert to fraction form
    526,901.87/789,716.34 = 256,624.94/x
  3. Step 3: Cross multiply
    526,901.87x = 789,716.34 × 256,624.94
  4. Step 4: Simplify right side
    526,901.87x = 202,660,908,369.52
  5. Step 5: Solve for x
    x = 202,660,908,369.52/526,901.87
  6. Step 6: Final answer
    x = 384,627.42

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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.