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Finding the Fourth Proportional to 520,046.10, 779,194.35 and 444,813.30

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Solution

The fourth proportional to 520,046.10, 779,194.35 and 444,813.30 is: 666,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,046.10 : 779,194.35 = 444,813.30 : x
  2. Step 2: Convert to fraction form
    520,046.10/779,194.35 = 444,813.30/x
  3. Step 3: Cross multiply
    520,046.10x = 779,194.35 × 444,813.30
  4. Step 4: Simplify right side
    520,046.10x = 346,596,010,164.86
  5. Step 5: Solve for x
    x = 346,596,010,164.86/520,046.10
  6. Step 6: Final answer
    x = 666,471.70

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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.