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Finding the Fourth Proportional to 526,475.87, 789,529.05 and 147,294.72

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Solution

The fourth proportional to 526,475.87, 789,529.05 and 147,294.72 is: 220,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,475.87 : 789,529.05 = 147,294.72 : x
  2. Step 2: Convert to fraction form
    526,475.87/789,529.05 = 147,294.72/x
  3. Step 3: Cross multiply
    526,475.87x = 789,529.05 × 147,294.72
  4. Step 4: Simplify right side
    526,475.87x = 116,293,460,351.62
  5. Step 5: Solve for x
    x = 116,293,460,351.62/526,475.87
  6. Step 6: Final answer
    x = 220,890.39

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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.