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Finding the Fourth Proportional to 529,571.70, 730,976.13 and 338,585.85

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Solution

The fourth proportional to 529,571.70, 730,976.13 and 338,585.85 is: 467,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,571.70 : 730,976.13 = 338,585.85 : x
  2. Step 2: Convert to fraction form
    529,571.70/730,976.13 = 338,585.85/x
  3. Step 3: Cross multiply
    529,571.70x = 730,976.13 × 338,585.85
  4. Step 4: Simplify right side
    529,571.70x = 247,498,174,305.76
  5. Step 5: Solve for x
    x = 247,498,174,305.76/529,571.70
  6. Step 6: Final answer
    x = 467,355.36

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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.