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Finding the Fourth Proportional to 374,597.29, 516,844.62 and 213,448.87

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Solution

The fourth proportional to 374,597.29, 516,844.62 and 213,448.87 is: 294,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,597.29 : 516,844.62 = 213,448.87 : x
  2. Step 2: Convert to fraction form
    374,597.29/516,844.62 = 213,448.87/x
  3. Step 3: Cross multiply
    374,597.29x = 516,844.62 × 213,448.87
  4. Step 4: Simplify right side
    374,597.29x = 110,319,900,104.58
  5. Step 5: Solve for x
    x = 110,319,900,104.58/374,597.29
  6. Step 6: Final answer
    x = 294,502.66

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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.