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Finding the Fourth Proportional to 364,440.66, 502,816.46 and 211,425.72

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Solution

The fourth proportional to 364,440.66, 502,816.46 and 211,425.72 is: 291,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,440.66 : 502,816.46 = 211,425.72 : x
  2. Step 2: Convert to fraction form
    364,440.66/502,816.46 = 211,425.72/x
  3. Step 3: Cross multiply
    364,440.66x = 502,816.46 × 211,425.72
  4. Step 4: Simplify right side
    364,440.66x = 106,308,332,083.35
  5. Step 5: Solve for x
    x = 106,308,332,083.35/364,440.66
  6. Step 6: Final answer
    x = 291,702.72

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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.