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Finding the Fourth Proportional to 867,469.02, 1,197,232.92 and 499,874.64

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Solution

The fourth proportional to 867,469.02, 1,197,232.92 and 499,874.64 is: 689,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,469.02 : 1,197,232.92 = 499,874.64 : x
  2. Step 2: Convert to fraction form
    867,469.02/1,197,232.92 = 499,874.64/x
  3. Step 3: Cross multiply
    867,469.02x = 1,197,232.92 × 499,874.64
  4. Step 4: Simplify right side
    867,469.02x = 598,466,374,881.15
  5. Step 5: Solve for x
    x = 598,466,374,881.15/867,469.02
  6. Step 6: Final answer
    x = 689,899.42

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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.