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Finding the Fourth Proportional to 508,253.84, 701,474.28 and 281,972.24

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Solution

The fourth proportional to 508,253.84, 701,474.28 and 281,972.24 is: 389,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,253.84 : 701,474.28 = 281,972.24 : x
  2. Step 2: Convert to fraction form
    508,253.84/701,474.28 = 281,972.24/x
  3. Step 3: Cross multiply
    508,253.84x = 701,474.28 × 281,972.24
  4. Step 4: Simplify right side
    508,253.84x = 197,796,274,033.99
  5. Step 5: Solve for x
    x = 197,796,274,033.99/508,253.84
  6. Step 6: Final answer
    x = 389,168.28

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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.