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Finding the Fourth Proportional to 526,125.70, 789,190.21 and 147,043.93

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Solution

The fourth proportional to 526,125.70, 789,190.21 and 147,043.93 is: 220,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,125.70 : 789,190.21 = 147,043.93 : x
  2. Step 2: Convert to fraction form
    526,125.70/789,190.21 = 147,043.93/x
  3. Step 3: Cross multiply
    526,125.70x = 789,190.21 × 147,043.93
  4. Step 4: Simplify right side
    526,125.70x = 116,045,629,995.93
  5. Step 5: Solve for x
    x = 116,045,629,995.93/526,125.70
  6. Step 6: Final answer
    x = 220,566.36

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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.