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Finding the Fourth Proportional to 562,200.35, 842,926.79 and 309,599.78

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Solution

The fourth proportional to 562,200.35, 842,926.79 and 309,599.78 is: 464,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,200.35 : 842,926.79 = 309,599.78 : x
  2. Step 2: Convert to fraction form
    562,200.35/842,926.79 = 309,599.78/x
  3. Step 3: Cross multiply
    562,200.35x = 842,926.79 × 309,599.78
  4. Step 4: Simplify right side
    562,200.35x = 260,969,945,299.47
  5. Step 5: Solve for x
    x = 260,969,945,299.47/562,200.35
  6. Step 6: Final answer
    x = 464,193.85

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1.5x scale

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.