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Finding the Fourth Proportional to 554,179.15, 831,148.05 and 149,361.91

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Solution

The fourth proportional to 554,179.15, 831,148.05 and 149,361.91 is: 224,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,179.15 : 831,148.05 = 149,361.91 : x
  2. Step 2: Convert to fraction form
    554,179.15/831,148.05 = 149,361.91/x
  3. Step 3: Cross multiply
    554,179.15x = 831,148.05 × 149,361.91
  4. Step 4: Simplify right side
    554,179.15x = 124,141,860,240.78
  5. Step 5: Solve for x
    x = 124,141,860,240.78/554,179.15
  6. Step 6: Final answer
    x = 224,010.34

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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.