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Finding the Fourth Proportional to 522,058.20, 782,568.90 and 241,085.40

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Solution

The fourth proportional to 522,058.20, 782,568.90 and 241,085.40 is: 361,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,058.20 : 782,568.90 = 241,085.40 : x
  2. Step 2: Convert to fraction form
    522,058.20/782,568.90 = 241,085.40/x
  3. Step 3: Cross multiply
    522,058.20x = 782,568.90 × 241,085.40
  4. Step 4: Simplify right side
    522,058.20x = 188,665,936,284.06
  5. Step 5: Solve for x
    x = 188,665,936,284.06/522,058.20
  6. Step 6: Final answer
    x = 361,388.70

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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.