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Finding the Fourth Proportional to 484,889.51, 726,680.34 and 245,172.52

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Solution

The fourth proportional to 484,889.51, 726,680.34 and 245,172.52 is: 367,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,889.51 : 726,680.34 = 245,172.52 : x
  2. Step 2: Convert to fraction form
    484,889.51/726,680.34 = 245,172.52/x
  3. Step 3: Cross multiply
    484,889.51x = 726,680.34 × 245,172.52
  4. Step 4: Simplify right side
    484,889.51x = 178,162,050,192.26
  5. Step 5: Solve for x
    x = 178,162,050,192.26/484,889.51
  6. Step 6: Final answer
    x = 367,428.14

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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.