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Finding the Fourth Proportional to 522,778.92, 782,905.32 and 297,456.72

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Solution

The fourth proportional to 522,778.92, 782,905.32 and 297,456.72 is: 445,466.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,778.92 : 782,905.32 = 297,456.72 : x
  2. Step 2: Convert to fraction form
    522,778.92/782,905.32 = 297,456.72/x
  3. Step 3: Cross multiply
    522,778.92x = 782,905.32 × 297,456.72
  4. Step 4: Simplify right side
    522,778.92x = 232,880,448,557.75
  5. Step 5: Solve for x
    x = 232,880,448,557.75/522,778.92
  6. Step 6: Final answer
    x = 445,466.41

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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.