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Finding the Fourth Proportional to 339,588.02, 468,775.14 and 229,230.74

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Solution

The fourth proportional to 339,588.02, 468,775.14 and 229,230.74 is: 316,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,588.02 : 468,775.14 = 229,230.74 : x
  2. Step 2: Convert to fraction form
    339,588.02/468,775.14 = 229,230.74/x
  3. Step 3: Cross multiply
    339,588.02x = 468,775.14 × 229,230.74
  4. Step 4: Simplify right side
    339,588.02x = 107,457,672,235.80
  5. Step 5: Solve for x
    x = 107,457,672,235.80/339,588.02
  6. Step 6: Final answer
    x = 316,435.40

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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.