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Finding the Fourth Proportional to 551,620.83, 761,298.53 and 333,949.48

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Solution

The fourth proportional to 551,620.83, 761,298.53 and 333,949.48 is: 460,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,620.83 : 761,298.53 = 333,949.48 : x
  2. Step 2: Convert to fraction form
    551,620.83/761,298.53 = 333,949.48/x
  3. Step 3: Cross multiply
    551,620.83x = 761,298.53 × 333,949.48
  4. Step 4: Simplify right side
    551,620.83x = 254,235,244,645.27
  5. Step 5: Solve for x
    x = 254,235,244,645.27/551,620.83
  6. Step 6: Final answer
    x = 460,887.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.