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Finding the Fourth Proportional to 522,789.88, 782,921.74 and 297,467.80

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Solution

The fourth proportional to 522,789.88, 782,921.74 and 297,467.80 is: 445,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,789.88 : 782,921.74 = 297,467.80 : x
  2. Step 2: Convert to fraction form
    522,789.88/782,921.74 = 297,467.80/x
  3. Step 3: Cross multiply
    522,789.88x = 782,921.74 × 297,467.80
  4. Step 4: Simplify right side
    522,789.88x = 232,894,007,569.97
  5. Step 5: Solve for x
    x = 232,894,007,569.97/522,789.88
  6. Step 6: Final answer
    x = 445,483.01

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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.