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Finding the Fourth Proportional to 364,490.02, 503,040 and 213,587.02

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Solution

The fourth proportional to 364,490.02, 503,040 and 213,587.02 is: 294,775.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,490.02 : 503,040 = 213,587.02 : x
  2. Step 2: Convert to fraction form
    364,490.02/503,040 = 213,587.02/x
  3. Step 3: Cross multiply
    364,490.02x = 503,040 × 213,587.02
  4. Step 4: Simplify right side
    364,490.02x = 107,442,814,540.80
  5. Step 5: Solve for x
    x = 107,442,814,540.80/364,490.02
  6. Step 6: Final answer
    x = 294,775.74

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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.