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Finding the Fourth Proportional to 281,201.46, 388,058.04 and 153,877.06

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Solution

The fourth proportional to 281,201.46, 388,058.04 and 153,877.06 is: 212,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,201.46 : 388,058.04 = 153,877.06 : x
  2. Step 2: Convert to fraction form
    281,201.46/388,058.04 = 153,877.06/x
  3. Step 3: Cross multiply
    281,201.46x = 388,058.04 × 153,877.06
  4. Step 4: Simplify right side
    281,201.46x = 59,713,230,304.56
  5. Step 5: Solve for x
    x = 59,713,230,304.56/281,201.46
  6. Step 6: Final answer
    x = 212,350.36

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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.