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Finding the Fourth Proportional to 554,635.24, 831,869.30 and 175,506.64

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Solution

The fourth proportional to 554,635.24, 831,869.30 and 175,506.64 is: 263,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,635.24 : 831,869.30 = 175,506.64 : x
  2. Step 2: Convert to fraction form
    554,635.24/831,869.30 = 175,506.64/x
  3. Step 3: Cross multiply
    554,635.24x = 831,869.30 × 175,506.64
  4. Step 4: Simplify right side
    554,635.24x = 145,998,584,121.25
  5. Step 5: Solve for x
    x = 145,998,584,121.25/554,635.24
  6. Step 6: Final answer
    x = 263,233.52

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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.