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Finding the Fourth Proportional to 382,790.52, 573,973.56 and 154,880.28

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Solution

The fourth proportional to 382,790.52, 573,973.56 and 154,880.28 is: 232,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,790.52 : 573,973.56 = 154,880.28 : x
  2. Step 2: Convert to fraction form
    382,790.52/573,973.56 = 154,880.28/x
  3. Step 3: Cross multiply
    382,790.52x = 573,973.56 × 154,880.28
  4. Step 4: Simplify right side
    382,790.52x = 88,897,185,685.40
  5. Step 5: Solve for x
    x = 88,897,185,685.40/382,790.52
  6. Step 6: Final answer
    x = 232,234.55

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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.