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Finding the Fourth Proportional to 577,206.30, 865,809.45 and 364,629.90

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Solution

The fourth proportional to 577,206.30, 865,809.45 and 364,629.90 is: 546,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,206.30 : 865,809.45 = 364,629.90 : x
  2. Step 2: Convert to fraction form
    577,206.30/865,809.45 = 364,629.90/x
  3. Step 3: Cross multiply
    577,206.30x = 865,809.45 × 364,629.90
  4. Step 4: Simplify right side
    577,206.30x = 315,700,013,172.56
  5. Step 5: Solve for x
    x = 315,700,013,172.56/577,206.30
  6. Step 6: Final answer
    x = 546,944.85

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Similar ratio
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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.