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Finding the Fourth Proportional to 520,038.60, 779,183.10 and 444,805.80

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Solution

The fourth proportional to 520,038.60, 779,183.10 and 444,805.80 is: 666,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,038.60 : 779,183.10 = 444,805.80 : x
  2. Step 2: Convert to fraction form
    520,038.60/779,183.10 = 444,805.80/x
  3. Step 3: Cross multiply
    520,038.60x = 779,183.10 × 444,805.80
  4. Step 4: Simplify right side
    520,038.60x = 346,585,162,141.98
  5. Step 5: Solve for x
    x = 346,585,162,141.98/520,038.60
  6. Step 6: Final answer
    x = 666,460.46

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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.