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Finding the Fourth Proportional to 484,344.42, 726,543.92 and 147,396.03

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Solution

The fourth proportional to 484,344.42, 726,543.92 and 147,396.03 is: 221,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,344.42 : 726,543.92 = 147,396.03 : x
  2. Step 2: Convert to fraction form
    484,344.42/726,543.92 = 147,396.03/x
  3. Step 3: Cross multiply
    484,344.42x = 726,543.92 × 147,396.03
  4. Step 4: Simplify right side
    484,344.42x = 107,089,689,428.64
  5. Step 5: Solve for x
    x = 107,089,689,428.64/484,344.42
  6. Step 6: Final answer
    x = 221,102.35

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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.