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Finding the Fourth Proportional to 577,361.70, 866,062.35 and 177,999.30

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Solution

The fourth proportional to 577,361.70, 866,062.35 and 177,999.30 is: 267,005.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,361.70 : 866,062.35 = 177,999.30 : x
  2. Step 2: Convert to fraction form
    577,361.70/866,062.35 = 177,999.30/x
  3. Step 3: Cross multiply
    577,361.70x = 866,062.35 × 177,999.30
  4. Step 4: Simplify right side
    577,361.70x = 154,158,492,056.36
  5. Step 5: Solve for x
    x = 154,158,492,056.36/577,361.70
  6. Step 6: Final answer
    x = 267,005.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.