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Finding the Fourth Proportional to 270,883.98, 373,787.84 and 156,200.31

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Solution

The fourth proportional to 270,883.98, 373,787.84 and 156,200.31 is: 215,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,883.98 : 373,787.84 = 156,200.31 : x
  2. Step 2: Convert to fraction form
    270,883.98/373,787.84 = 156,200.31/x
  3. Step 3: Cross multiply
    270,883.98x = 373,787.84 × 156,200.31
  4. Step 4: Simplify right side
    270,883.98x = 58,385,776,482.23
  5. Step 5: Solve for x
    x = 58,385,776,482.23/270,883.98
  6. Step 6: Final answer
    x = 215,537.95

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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.