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Finding the Fourth Proportional to 624,217.44, 936,014.40 and 203,440.80

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Solution

The fourth proportional to 624,217.44, 936,014.40 and 203,440.80 is: 305,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,217.44 : 936,014.40 = 203,440.80 : x
  2. Step 2: Convert to fraction form
    624,217.44/936,014.40 = 203,440.80/x
  3. Step 3: Cross multiply
    624,217.44x = 936,014.40 × 203,440.80
  4. Step 4: Simplify right side
    624,217.44x = 190,423,518,347.52
  5. Step 5: Solve for x
    x = 190,423,518,347.52/624,217.44
  6. Step 6: Final answer
    x = 305,059.59

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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.