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Finding the Fourth Proportional to 562,601.33, 843,811.03 and 207,782.45

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Solution

The fourth proportional to 562,601.33, 843,811.03 and 207,782.45 is: 311,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,601.33 : 843,811.03 = 207,782.45 : x
  2. Step 2: Convert to fraction form
    562,601.33/843,811.03 = 207,782.45/x
  3. Step 3: Cross multiply
    562,601.33x = 843,811.03 × 207,782.45
  4. Step 4: Simplify right side
    562,601.33x = 175,329,123,150.42
  5. Step 5: Solve for x
    x = 175,329,123,150.42/562,601.33
  6. Step 6: Final answer
    x = 311,640.08

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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.