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Finding the Fourth Proportional to 382,552.80, 528,024.24 and 269,426.40

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Solution

The fourth proportional to 382,552.80, 528,024.24 and 269,426.40 is: 371,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,552.80 : 528,024.24 = 269,426.40 : x
  2. Step 2: Convert to fraction form
    382,552.80/528,024.24 = 269,426.40/x
  3. Step 3: Cross multiply
    382,552.80x = 528,024.24 × 269,426.40
  4. Step 4: Simplify right side
    382,552.80x = 142,263,670,095.94
  5. Step 5: Solve for x
    x = 142,263,670,095.94/382,552.80
  6. Step 6: Final answer
    x = 371,879.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.