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Finding the Fourth Proportional to 562,627.53, 843,669.14 and 207,808.65

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Solution

The fourth proportional to 562,627.53, 843,669.14 and 207,808.65 is: 311,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,627.53 : 843,669.14 = 207,808.65 : x
  2. Step 2: Convert to fraction form
    562,627.53/843,669.14 = 207,808.65/x
  3. Step 3: Cross multiply
    562,627.53x = 843,669.14 × 207,808.65
  4. Step 4: Simplify right side
    562,627.53x = 175,321,743,991.02
  5. Step 5: Solve for x
    x = 175,321,743,991.02/562,627.53
  6. Step 6: Final answer
    x = 311,612.45

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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.