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Finding the Fourth Proportional to 352,771.29, 485,934.22 and 284,597.38

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Solution

The fourth proportional to 352,771.29, 485,934.22 and 284,597.38 is: 392,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,771.29 : 485,934.22 = 284,597.38 : x
  2. Step 2: Convert to fraction form
    352,771.29/485,934.22 = 284,597.38/x
  3. Step 3: Cross multiply
    352,771.29x = 485,934.22 × 284,597.38
  4. Step 4: Simplify right side
    352,771.29x = 138,295,602,011.69
  5. Step 5: Solve for x
    x = 138,295,602,011.69/352,771.29
  6. Step 6: Final answer
    x = 392,026.24

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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.