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Finding the Fourth Proportional to 411,574.37, 567,861.17 and 282,552.30

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Solution

The fourth proportional to 411,574.37, 567,861.17 and 282,552.30 is: 389,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,574.37 : 567,861.17 = 282,552.30 : x
  2. Step 2: Convert to fraction form
    411,574.37/567,861.17 = 282,552.30/x
  3. Step 3: Cross multiply
    411,574.37x = 567,861.17 × 282,552.30
  4. Step 4: Simplify right side
    411,574.37x = 160,450,478,251.43
  5. Step 5: Solve for x
    x = 160,450,478,251.43/411,574.37
  6. Step 6: Final answer
    x = 389,845.66

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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.