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Finding the Fourth Proportional to 624,431.76, 936,647.67 and 151,117.14

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Solution

The fourth proportional to 624,431.76, 936,647.67 and 151,117.14 is: 226,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,431.76 : 936,647.67 = 151,117.14 : x
  2. Step 2: Convert to fraction form
    624,431.76/936,647.67 = 151,117.14/x
  3. Step 3: Cross multiply
    624,431.76x = 936,647.67 × 151,117.14
  4. Step 4: Simplify right side
    624,431.76x = 141,543,517,078.06
  5. Step 5: Solve for x
    x = 141,543,517,078.06/624,431.76
  6. Step 6: Final answer
    x = 226,675.72

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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.