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Finding the Fourth Proportional to 520,029.60, 779,169.60 and 444,796.80

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Solution

The fourth proportional to 520,029.60, 779,169.60 and 444,796.80 is: 666,446.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,029.60 : 779,169.60 = 444,796.80 : x
  2. Step 2: Convert to fraction form
    520,029.60/779,169.60 = 444,796.80/x
  3. Step 3: Cross multiply
    520,029.60x = 779,169.60 × 444,796.80
  4. Step 4: Simplify right side
    520,029.60x = 346,572,144,737.28
  5. Step 5: Solve for x
    x = 346,572,144,737.28/520,029.60
  6. Step 6: Final answer
    x = 666,446.96

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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.