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Finding the Fourth Proportional to 624,069.40, 936,255.30 and 180,837.40

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Solution

The fourth proportional to 624,069.40, 936,255.30 and 180,837.40 is: 271,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,069.40 : 936,255.30 = 180,837.40 : x
  2. Step 2: Convert to fraction form
    624,069.40/936,255.30 = 180,837.40/x
  3. Step 3: Cross multiply
    624,069.40x = 936,255.30 × 180,837.40
  4. Step 4: Simplify right side
    624,069.40x = 169,309,974,188.22
  5. Step 5: Solve for x
    x = 169,309,974,188.22/624,069.40
  6. Step 6: Final answer
    x = 271,299.91

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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.