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Finding the Fourth Proportional to 524,727.25, 787,059.54 and 308,707.34

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Solution

The fourth proportional to 524,727.25, 787,059.54 and 308,707.34 is: 463,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,727.25 : 787,059.54 = 308,707.34 : x
  2. Step 2: Convert to fraction form
    524,727.25/787,059.54 = 308,707.34/x
  3. Step 3: Cross multiply
    524,727.25x = 787,059.54 × 308,707.34
  4. Step 4: Simplify right side
    524,727.25x = 242,971,053,079.73
  5. Step 5: Solve for x
    x = 242,971,053,079.73/524,727.25
  6. Step 6: Final answer
    x = 463,042.57

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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.