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Finding the Fourth Proportional to 520,030.60, 779,171.10 and 444,797.80

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Solution

The fourth proportional to 520,030.60, 779,171.10 and 444,797.80 is: 666,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,030.60 : 779,171.10 = 444,797.80 : x
  2. Step 2: Convert to fraction form
    520,030.60/779,171.10 = 444,797.80/x
  3. Step 3: Cross multiply
    520,030.60x = 779,171.10 × 444,797.80
  4. Step 4: Simplify right side
    520,030.60x = 346,573,591,103.58
  5. Step 5: Solve for x
    x = 346,573,591,103.58/520,030.60
  6. Step 6: Final answer
    x = 666,448.46

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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.