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Finding the Fourth Proportional to 374,323.14, 516,506.22 and 213,181.20

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Solution

The fourth proportional to 374,323.14, 516,506.22 and 213,181.20 is: 294,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,323.14 : 516,506.22 = 213,181.20 : x
  2. Step 2: Convert to fraction form
    374,323.14/516,506.22 = 213,181.20/x
  3. Step 3: Cross multiply
    374,323.14x = 516,506.22 × 213,181.20
  4. Step 4: Simplify right side
    374,323.14x = 110,109,415,787.06
  5. Step 5: Solve for x
    x = 110,109,415,787.06/374,323.14
  6. Step 6: Final answer
    x = 294,156.05

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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.