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Finding the Fourth Proportional to 675,002.38, 931,469.06 and 373,138.06

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Solution

The fourth proportional to 675,002.38, 931,469.06 and 373,138.06 is: 514,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,002.38 : 931,469.06 = 373,138.06 : x
  2. Step 2: Convert to fraction form
    675,002.38/931,469.06 = 373,138.06/x
  3. Step 3: Cross multiply
    675,002.38x = 931,469.06 × 373,138.06
  4. Step 4: Simplify right side
    675,002.38x = 347,566,557,998.42
  5. Step 5: Solve for x
    x = 347,566,557,998.42/675,002.38
  6. Step 6: Final answer
    x = 514,911.60

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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.