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Finding the Fourth Proportional to 562,406.70, 843,684.05 and 207,669.90

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Solution

The fourth proportional to 562,406.70, 843,684.05 and 207,669.90 is: 311,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,406.70 : 843,684.05 = 207,669.90 : x
  2. Step 2: Convert to fraction form
    562,406.70/843,684.05 = 207,669.90/x
  3. Step 3: Cross multiply
    562,406.70x = 843,684.05 × 207,669.90
  4. Step 4: Simplify right side
    562,406.70x = 175,207,782,295.10
  5. Step 5: Solve for x
    x = 175,207,782,295.10/562,406.70
  6. Step 6: Final answer
    x = 311,532.17

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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.