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Finding the Fourth Proportional to 374,144.34, 516,489.12 and 238,364.46

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Solution

The fourth proportional to 374,144.34, 516,489.12 and 238,364.46 is: 329,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,144.34 : 516,489.12 = 238,364.46 : x
  2. Step 2: Convert to fraction form
    374,144.34/516,489.12 = 238,364.46/x
  3. Step 3: Cross multiply
    374,144.34x = 516,489.12 × 238,364.46
  4. Step 4: Simplify right side
    374,144.34x = 123,112,650,184.68
  5. Step 5: Solve for x
    x = 123,112,650,184.68/374,144.34
  6. Step 6: Final answer
    x = 329,051.22

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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.