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Finding the Fourth Proportional to 364,473.18, 502,910.69 and 211,476.30

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Solution

The fourth proportional to 364,473.18, 502,910.69 and 211,476.30 is: 291,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,473.18 : 502,910.69 = 211,476.30 : x
  2. Step 2: Convert to fraction form
    364,473.18/502,910.69 = 211,476.30/x
  3. Step 3: Cross multiply
    364,473.18x = 502,910.69 × 211,476.30
  4. Step 4: Simplify right side
    364,473.18x = 106,353,690,894.27
  5. Step 5: Solve for x
    x = 106,353,690,894.27/364,473.18
  6. Step 6: Final answer
    x = 291,801.14

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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.