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Finding the Fourth Proportional to 364,842.14, 503,443.94 and 211,850.51

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Solution

The fourth proportional to 364,842.14, 503,443.94 and 211,850.51 is: 292,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,842.14 : 503,443.94 = 211,850.51 : x
  2. Step 2: Convert to fraction form
    364,842.14/503,443.94 = 211,850.51/x
  3. Step 3: Cross multiply
    364,842.14x = 503,443.94 × 211,850.51
  4. Step 4: Simplify right side
    364,842.14x = 106,654,851,868.94
  5. Step 5: Solve for x
    x = 106,654,851,868.94/364,842.14
  6. Step 6: Final answer
    x = 292,331.51

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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.