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Finding the Fourth Proportional to 630,848.60, 946,272.90 and 187,616.60

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Solution

The fourth proportional to 630,848.60, 946,272.90 and 187,616.60 is: 281,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,848.60 : 946,272.90 = 187,616.60 : x
  2. Step 2: Convert to fraction form
    630,848.60/946,272.90 = 187,616.60/x
  3. Step 3: Cross multiply
    630,848.60x = 946,272.90 × 187,616.60
  4. Step 4: Simplify right side
    630,848.60x = 177,536,504,170.14
  5. Step 5: Solve for x
    x = 177,536,504,170.14/630,848.60
  6. Step 6: Final answer
    x = 281,424.90

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Similar ratio
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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.