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Finding the Fourth Proportional to 356,653.70, 534,825.04 and 134,882.18

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Solution

The fourth proportional to 356,653.70, 534,825.04 and 134,882.18 is: 202,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,653.70 : 534,825.04 = 134,882.18 : x
  2. Step 2: Convert to fraction form
    356,653.70/534,825.04 = 134,882.18/x
  3. Step 3: Cross multiply
    356,653.70x = 534,825.04 × 134,882.18
  4. Step 4: Simplify right side
    356,653.70x = 72,138,367,313.79
  5. Step 5: Solve for x
    x = 72,138,367,313.79/356,653.70
  6. Step 6: Final answer
    x = 202,264.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.