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Finding the Fourth Proportional to 364,882.80, 503,395.20 and 211,894.80

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Solution

The fourth proportional to 364,882.80, 503,395.20 and 211,894.80 is: 292,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,882.80 : 503,395.20 = 211,894.80 : x
  2. Step 2: Convert to fraction form
    364,882.80/503,395.20 = 211,894.80/x
  3. Step 3: Cross multiply
    364,882.80x = 503,395.20 × 211,894.80
  4. Step 4: Simplify right side
    364,882.80x = 106,666,825,224.96
  5. Step 5: Solve for x
    x = 106,666,825,224.96/364,882.80
  6. Step 6: Final answer
    x = 292,331.74

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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.