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Finding the Fourth Proportional to 323,148.44, 484,294.98 and 247,981.34

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Solution

The fourth proportional to 323,148.44, 484,294.98 and 247,981.34 is: 371,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,148.44 : 484,294.98 = 247,981.34 : x
  2. Step 2: Convert to fraction form
    323,148.44/484,294.98 = 247,981.34/x
  3. Step 3: Cross multiply
    323,148.44x = 484,294.98 × 247,981.34
  4. Step 4: Simplify right side
    323,148.44x = 120,096,118,095.67
  5. Step 5: Solve for x
    x = 120,096,118,095.67/323,148.44
  6. Step 6: Final answer
    x = 371,643.81

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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.