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Finding the Fourth Proportional to 554,476.88, 831,745.59 and 175,369.32

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Solution

The fourth proportional to 554,476.88, 831,745.59 and 175,369.32 is: 263,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,476.88 : 831,745.59 = 175,369.32 : x
  2. Step 2: Convert to fraction form
    554,476.88/831,745.59 = 175,369.32/x
  3. Step 3: Cross multiply
    554,476.88x = 831,745.59 × 175,369.32
  4. Step 4: Simplify right side
    554,476.88x = 145,862,658,531.30
  5. Step 5: Solve for x
    x = 145,862,658,531.30/554,476.88
  6. Step 6: Final answer
    x = 263,063.55

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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.