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Finding the Fourth Proportional to 562,217.52, 843,658.92 and 207,478.56

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Solution

The fourth proportional to 562,217.52, 843,658.92 and 207,478.56 is: 311,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,217.52 : 843,658.92 = 207,478.56 : x
  2. Step 2: Convert to fraction form
    562,217.52/843,658.92 = 207,478.56/x
  3. Step 3: Cross multiply
    562,217.52x = 843,658.92 × 207,478.56
  4. Step 4: Simplify right side
    562,217.52x = 175,041,137,852.76
  5. Step 5: Solve for x
    x = 175,041,137,852.76/562,217.52
  6. Step 6: Final answer
    x = 311,340.60

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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.