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Finding the Fourth Proportional to 413,285.55, 570,359.54 and 275,227.73

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Solution

The fourth proportional to 413,285.55, 570,359.54 and 275,227.73 is: 379,831.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,285.55 : 570,359.54 = 275,227.73 : x
  2. Step 2: Convert to fraction form
    413,285.55/570,359.54 = 275,227.73/x
  3. Step 3: Cross multiply
    413,285.55x = 570,359.54 × 275,227.73
  4. Step 4: Simplify right side
    413,285.55x = 156,978,761,478.04
  5. Step 5: Solve for x
    x = 156,978,761,478.04/413,285.55
  6. Step 6: Final answer
    x = 379,831.24

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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.