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Finding the Fourth Proportional to 554,761.89, 831,643.44 and 199,526.25

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Solution

The fourth proportional to 554,761.89, 831,643.44 and 199,526.25 is: 299,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,761.89 : 831,643.44 = 199,526.25 : x
  2. Step 2: Convert to fraction form
    554,761.89/831,643.44 = 199,526.25/x
  3. Step 3: Cross multiply
    554,761.89x = 831,643.44 × 199,526.25
  4. Step 4: Simplify right side
    554,761.89x = 165,934,696,920.30
  5. Step 5: Solve for x
    x = 165,934,696,920.30/554,761.89
  6. Step 6: Final answer
    x = 299,109.76

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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.