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Finding the Fourth Proportional to 451,458.48, 677,409.72 and 181,575.92

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Solution

The fourth proportional to 451,458.48, 677,409.72 and 181,575.92 is: 272,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,458.48 : 677,409.72 = 181,575.92 : x
  2. Step 2: Convert to fraction form
    451,458.48/677,409.72 = 181,575.92/x
  3. Step 3: Cross multiply
    451,458.48x = 677,409.72 × 181,575.92
  4. Step 4: Simplify right side
    451,458.48x = 123,001,293,125.94
  5. Step 5: Solve for x
    x = 123,001,293,125.94/451,458.48
  6. Step 6: Final answer
    x = 272,453.17

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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.