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Finding the Fourth Proportional to 675,717, 932,496.18 and 373,917.48

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Solution

The fourth proportional to 675,717, 932,496.18 and 373,917.48 is: 516,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,717 : 932,496.18 = 373,917.48 : x
  2. Step 2: Convert to fraction form
    675,717/932,496.18 = 373,917.48/x
  3. Step 3: Cross multiply
    675,717x = 932,496.18 × 373,917.48
  4. Step 4: Simplify right side
    675,717x = 348,676,621,735.23
  5. Step 5: Solve for x
    x = 348,676,621,735.23/675,717
  6. Step 6: Final answer
    x = 516,009.84

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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.