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Finding the Fourth Proportional to 374,372.83, 516,726.29 and 213,322.76

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Solution

The fourth proportional to 374,372.83, 516,726.29 and 213,322.76 is: 294,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,372.83 : 516,726.29 = 213,322.76 : x
  2. Step 2: Convert to fraction form
    374,372.83/516,726.29 = 213,322.76/x
  3. Step 3: Cross multiply
    374,372.83x = 516,726.29 × 213,322.76
  4. Step 4: Simplify right side
    374,372.83x = 110,229,476,297.04
  5. Step 5: Solve for x
    x = 110,229,476,297.04/374,372.83
  6. Step 6: Final answer
    x = 294,437.71

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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.