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Finding the Fourth Proportional to 562,625.28, 843,665.76 and 207,806.40

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Solution

The fourth proportional to 562,625.28, 843,665.76 and 207,806.40 is: 311,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,625.28 : 843,665.76 = 207,806.40 : x
  2. Step 2: Convert to fraction form
    562,625.28/843,665.76 = 207,806.40/x
  3. Step 3: Cross multiply
    562,625.28x = 843,665.76 × 207,806.40
  4. Step 4: Simplify right side
    562,625.28x = 175,319,144,388.86
  5. Step 5: Solve for x
    x = 175,319,144,388.86/562,625.28
  6. Step 6: Final answer
    x = 311,609.08

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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.