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Finding the Fourth Proportional to 374,051.64, 516,194.56 and 212,917.06

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Solution

The fourth proportional to 374,051.64, 516,194.56 and 212,917.06 is: 293,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,051.64 : 516,194.56 = 212,917.06 : x
  2. Step 2: Convert to fraction form
    374,051.64/516,194.56 = 212,917.06/x
  3. Step 3: Cross multiply
    374,051.64x = 516,194.56 × 212,917.06
  4. Step 4: Simplify right side
    374,051.64x = 109,906,626,280.42
  5. Step 5: Solve for x
    x = 109,906,626,280.42/374,051.64
  6. Step 6: Final answer
    x = 293,827.42

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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.