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Finding the Fourth Proportional to 692,184, 955,213.92 and 374,232

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Solution

The fourth proportional to 692,184, 955,213.92 and 374,232 is: 516,440.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,184 : 955,213.92 = 374,232 : x
  2. Step 2: Convert to fraction form
    692,184/955,213.92 = 374,232/x
  3. Step 3: Cross multiply
    692,184x = 955,213.92 × 374,232
  4. Step 4: Simplify right side
    692,184x = 357,471,615,709.44
  5. Step 5: Solve for x
    x = 357,471,615,709.44/692,184
  6. Step 6: Final answer
    x = 516,440.16

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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.