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Finding the Fourth Proportional to 486,555.73, 729,966.74 and 234,047.34

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Solution

The fourth proportional to 486,555.73, 729,966.74 and 234,047.34 is: 351,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,555.73 : 729,966.74 = 234,047.34 : x
  2. Step 2: Convert to fraction form
    486,555.73/729,966.74 = 234,047.34/x
  3. Step 3: Cross multiply
    486,555.73x = 729,966.74 × 234,047.34
  4. Step 4: Simplify right side
    486,555.73x = 170,846,772,615.24
  5. Step 5: Solve for x
    x = 170,846,772,615.24/486,555.73
  6. Step 6: Final answer
    x = 351,135.06

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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.