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Finding the Fourth Proportional to 369,917.66, 510,431.62 and 224,647.90

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Solution

The fourth proportional to 369,917.66, 510,431.62 and 224,647.90 is: 309,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,917.66 : 510,431.62 = 224,647.90 : x
  2. Step 2: Convert to fraction form
    369,917.66/510,431.62 = 224,647.90/x
  3. Step 3: Cross multiply
    369,917.66x = 510,431.62 × 224,647.90
  4. Step 4: Simplify right side
    369,917.66x = 114,667,391,526.60
  5. Step 5: Solve for x
    x = 114,667,391,526.60/369,917.66
  6. Step 6: Final answer
    x = 309,980.85

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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.