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Finding the Fourth Proportional to 372,361.76, 513,849.12 and 202,592.24

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Solution

The fourth proportional to 372,361.76, 513,849.12 and 202,592.24 is: 279,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,361.76 : 513,849.12 = 202,592.24 : x
  2. Step 2: Convert to fraction form
    372,361.76/513,849.12 = 202,592.24/x
  3. Step 3: Cross multiply
    372,361.76x = 513,849.12 × 202,592.24
  4. Step 4: Simplify right side
    372,361.76x = 104,101,844,242.83
  5. Step 5: Solve for x
    x = 104,101,844,242.83/372,361.76
  6. Step 6: Final answer
    x = 279,571.79

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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.