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Finding the Fourth Proportional to 374,594.29, 516,840.48 and 213,445.87

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Solution

The fourth proportional to 374,594.29, 516,840.48 and 213,445.87 is: 294,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,594.29 : 516,840.48 = 213,445.87 : x
  2. Step 2: Convert to fraction form
    374,594.29/516,840.48 = 213,445.87/x
  3. Step 3: Cross multiply
    374,594.29x = 516,840.48 × 213,445.87
  4. Step 4: Simplify right side
    374,594.29x = 110,317,464,612.72
  5. Step 5: Solve for x
    x = 110,317,464,612.72/374,594.29
  6. Step 6: Final answer
    x = 294,498.52

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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.