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Finding the Fourth Proportional to 253,376.88, 380,175.58 and 158,823.76

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Solution

The fourth proportional to 253,376.88, 380,175.58 and 158,823.76 is: 238,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,376.88 : 380,175.58 = 158,823.76 : x
  2. Step 2: Convert to fraction form
    253,376.88/380,175.58 = 158,823.76/x
  3. Step 3: Cross multiply
    253,376.88x = 380,175.58 × 158,823.76
  4. Step 4: Simplify right side
    253,376.88x = 60,380,915,075.78
  5. Step 5: Solve for x
    x = 60,380,915,075.78/253,376.88
  6. Step 6: Final answer
    x = 238,304.75

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1.5x scale

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.