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Finding the Fourth Proportional to 651,361.20, 898,877.08 and 360,991.32

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Solution

The fourth proportional to 651,361.20, 898,877.08 and 360,991.32 is: 498,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,361.20 : 898,877.08 = 360,991.32 : x
  2. Step 2: Convert to fraction form
    651,361.20/898,877.08 = 360,991.32/x
  3. Step 3: Cross multiply
    651,361.20x = 898,877.08 × 360,991.32
  4. Step 4: Simplify right side
    651,361.20x = 324,486,823,626.95
  5. Step 5: Solve for x
    x = 324,486,823,626.95/651,361.20
  6. Step 6: Final answer
    x = 498,167.26

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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.