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Finding the Fourth Proportional to 922,752.70, 1,384,129.05 and 566,611.90

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Solution

The fourth proportional to 922,752.70, 1,384,129.05 and 566,611.90 is: 849,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,752.70 : 1,384,129.05 = 566,611.90 : x
  2. Step 2: Convert to fraction form
    922,752.70/1,384,129.05 = 566,611.90/x
  3. Step 3: Cross multiply
    922,752.70x = 1,384,129.05 × 566,611.90
  4. Step 4: Simplify right side
    922,752.70x = 784,263,990,865.70
  5. Step 5: Solve for x
    x = 784,263,990,865.70/922,752.70
  6. Step 6: Final answer
    x = 849,917.85

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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.