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Finding the Fourth Proportional to 483,052.78, 666,582 and 268,192.78

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Solution

The fourth proportional to 483,052.78, 666,582 and 268,192.78 is: 370,088.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,052.78 : 666,582 = 268,192.78 : x
  2. Step 2: Convert to fraction form
    483,052.78/666,582 = 268,192.78/x
  3. Step 3: Cross multiply
    483,052.78x = 666,582 × 268,192.78
  4. Step 4: Simplify right side
    483,052.78x = 178,772,479,677.96
  5. Step 5: Solve for x
    x = 178,772,479,677.96/483,052.78
  6. Step 6: Final answer
    x = 370,088.92

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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.