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Finding the Fourth Proportional to 526,792.30, 789,022.05 and 433,480.30

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Solution

The fourth proportional to 526,792.30, 789,022.05 and 433,480.30 is: 649,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,792.30 : 789,022.05 = 433,480.30 : x
  2. Step 2: Convert to fraction form
    526,792.30/789,022.05 = 433,480.30/x
  3. Step 3: Cross multiply
    526,792.30x = 789,022.05 × 433,480.30
  4. Step 4: Simplify right side
    526,792.30x = 342,025,514,940.62
  5. Step 5: Solve for x
    x = 342,025,514,940.62/526,792.30
  6. Step 6: Final answer
    x = 649,260.66

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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.