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Finding the Fourth Proportional to 562,866.60, 844,008.30 and 207,697.80

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Solution

The fourth proportional to 562,866.60, 844,008.30 and 207,697.80 is: 311,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,866.60 : 844,008.30 = 207,697.80 : x
  2. Step 2: Convert to fraction form
    562,866.60/844,008.30 = 207,697.80/x
  3. Step 3: Cross multiply
    562,866.60x = 844,008.30 × 207,697.80
  4. Step 4: Simplify right side
    562,866.60x = 175,298,667,091.74
  5. Step 5: Solve for x
    x = 175,298,667,091.74/562,866.60
  6. Step 6: Final answer
    x = 311,439.10

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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.