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Finding the Fourth Proportional to 526,792.80, 789,022.80 and 433,480.80

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Solution

The fourth proportional to 526,792.80, 789,022.80 and 433,480.80 is: 649,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,792.80 : 789,022.80 = 433,480.80 : x
  2. Step 2: Convert to fraction form
    526,792.80/789,022.80 = 433,480.80/x
  3. Step 3: Cross multiply
    526,792.80x = 789,022.80 × 433,480.80
  4. Step 4: Simplify right side
    526,792.80x = 342,026,234,562.24
  5. Step 5: Solve for x
    x = 342,026,234,562.24/526,792.80
  6. Step 6: Final answer
    x = 649,261.41

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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.