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Finding the Fourth Proportional to 483,134.32, 666,703.02 and 268,288

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Solution

The fourth proportional to 483,134.32, 666,703.02 and 268,288 is: 370,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,134.32 : 666,703.02 = 268,288 : x
  2. Step 2: Convert to fraction form
    483,134.32/666,703.02 = 268,288/x
  3. Step 3: Cross multiply
    483,134.32x = 666,703.02 × 268,288
  4. Step 4: Simplify right side
    483,134.32x = 178,868,419,829.76
  5. Step 5: Solve for x
    x = 178,868,419,829.76/483,134.32
  6. Step 6: Final answer
    x = 370,225.03

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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.