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Finding the Fourth Proportional to 364,392.54, 502,860.39 and 203,247.46

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Solution

The fourth proportional to 364,392.54, 502,860.39 and 203,247.46 is: 280,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,392.54 : 502,860.39 = 203,247.46 : x
  2. Step 2: Convert to fraction form
    364,392.54/502,860.39 = 203,247.46/x
  3. Step 3: Cross multiply
    364,392.54x = 502,860.39 × 203,247.46
  4. Step 4: Simplify right side
    364,392.54x = 102,205,097,002.11
  5. Step 5: Solve for x
    x = 102,205,097,002.11/364,392.54
  6. Step 6: Final answer
    x = 280,480.77

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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.