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Finding the Fourth Proportional to 606,502.80, 909,754.20 and 547,453.80

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Solution

The fourth proportional to 606,502.80, 909,754.20 and 547,453.80 is: 821,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,502.80 : 909,754.20 = 547,453.80 : x
  2. Step 2: Convert to fraction form
    606,502.80/909,754.20 = 547,453.80/x
  3. Step 3: Cross multiply
    606,502.80x = 909,754.20 × 547,453.80
  4. Step 4: Simplify right side
    606,502.80x = 498,048,393,855.96
  5. Step 5: Solve for x
    x = 498,048,393,855.96/606,502.80
  6. Step 6: Final answer
    x = 821,180.70

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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.