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Finding the Fourth Proportional to 451,054.96, 676,497.78 and 226,355.08

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Solution

The fourth proportional to 451,054.96, 676,497.78 and 226,355.08 is: 339,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,054.96 : 676,497.78 = 226,355.08 : x
  2. Step 2: Convert to fraction form
    451,054.96/676,497.78 = 226,355.08/x
  3. Step 3: Cross multiply
    451,054.96x = 676,497.78 × 226,355.08
  4. Step 4: Simplify right side
    451,054.96x = 153,128,709,111.72
  5. Step 5: Solve for x
    x = 153,128,709,111.72/451,054.96
  6. Step 6: Final answer
    x = 339,490.13

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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.