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Finding the Fourth Proportional to 368,179.16, 507,866.76 and 224,690.09

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Solution

The fourth proportional to 368,179.16, 507,866.76 and 224,690.09 is: 309,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,179.16 : 507,866.76 = 224,690.09 : x
  2. Step 2: Convert to fraction form
    368,179.16/507,866.76 = 224,690.09/x
  3. Step 3: Cross multiply
    368,179.16x = 507,866.76 × 224,690.09
  4. Step 4: Simplify right side
    368,179.16x = 114,112,625,473.08
  5. Step 5: Solve for x
    x = 114,112,625,473.08/368,179.16
  6. Step 6: Final answer
    x = 309,937.77

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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.