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Finding the Fourth Proportional to 570,929.85, 855,232.16 and 270,499.77

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Solution

The fourth proportional to 570,929.85, 855,232.16 and 270,499.77 is: 405,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,929.85 : 855,232.16 = 270,499.77 : x
  2. Step 2: Convert to fraction form
    570,929.85/855,232.16 = 270,499.77/x
  3. Step 3: Cross multiply
    570,929.85x = 855,232.16 × 270,499.77
  4. Step 4: Simplify right side
    570,929.85x = 231,340,101,224.10
  5. Step 5: Solve for x
    x = 231,340,101,224.10/570,929.85
  6. Step 6: Final answer
    x = 405,198.82

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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.