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Finding the Fourth Proportional to 817,927.20, 1,226,890.80 and 565,984.80

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Solution

The fourth proportional to 817,927.20, 1,226,890.80 and 565,984.80 is: 848,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,927.20 : 1,226,890.80 = 565,984.80 : x
  2. Step 2: Convert to fraction form
    817,927.20/1,226,890.80 = 565,984.80/x
  3. Step 3: Cross multiply
    817,927.20x = 1,226,890.80 × 565,984.80
  4. Step 4: Simplify right side
    817,927.20x = 694,401,544,059.84
  5. Step 5: Solve for x
    x = 694,401,544,059.84/817,927.20
  6. Step 6: Final answer
    x = 848,977.20

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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.