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Finding the Fourth Proportional to 353,624.04, 488,064.42 and 226,295.28

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Solution

The fourth proportional to 353,624.04, 488,064.42 and 226,295.28 is: 312,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,624.04 : 488,064.42 = 226,295.28 : x
  2. Step 2: Convert to fraction form
    353,624.04/488,064.42 = 226,295.28/x
  3. Step 3: Cross multiply
    353,624.04x = 488,064.42 × 226,295.28
  4. Step 4: Simplify right side
    353,624.04x = 110,446,674,581.94
  5. Step 5: Solve for x
    x = 110,446,674,581.94/353,624.04
  6. Step 6: Final answer
    x = 312,327.96

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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.