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Finding the Fourth Proportional to 366,285.88, 505,552.62 and 215,468.92

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Solution

The fourth proportional to 366,285.88, 505,552.62 and 215,468.92 is: 297,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,285.88 : 505,552.62 = 215,468.92 : x
  2. Step 2: Convert to fraction form
    366,285.88/505,552.62 = 215,468.92/x
  3. Step 3: Cross multiply
    366,285.88x = 505,552.62 × 215,468.92
  4. Step 4: Simplify right side
    366,285.88x = 108,930,877,034.57
  5. Step 5: Solve for x
    x = 108,930,877,034.57/366,285.88
  6. Step 6: Final answer
    x = 297,393.06

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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.