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Finding the Fourth Proportional to 411,574.87, 567,861.86 and 282,552.80

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Solution

The fourth proportional to 411,574.87, 567,861.86 and 282,552.80 is: 389,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,574.87 : 567,861.86 = 282,552.80 : x
  2. Step 2: Convert to fraction form
    411,574.87/567,861.86 = 282,552.80/x
  3. Step 3: Cross multiply
    411,574.87x = 567,861.86 × 282,552.80
  4. Step 4: Simplify right side
    411,574.87x = 160,450,957,143.44
  5. Step 5: Solve for x
    x = 160,450,957,143.44/411,574.87
  6. Step 6: Final answer
    x = 389,846.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.