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Finding the Fourth Proportional to 675,161.13, 931,632.15 and 373,374.57

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Solution

The fourth proportional to 675,161.13, 931,632.15 and 373,374.57 is: 515,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,161.13 : 931,632.15 = 373,374.57 : x
  2. Step 2: Convert to fraction form
    675,161.13/931,632.15 = 373,374.57/x
  3. Step 3: Cross multiply
    675,161.13x = 931,632.15 × 373,374.57
  4. Step 4: Simplify right side
    675,161.13x = 347,847,753,404.43
  5. Step 5: Solve for x
    x = 347,847,753,404.43/675,161.13
  6. Step 6: Final answer
    x = 515,207.02

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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.