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Finding the Fourth Proportional to 451,370.17, 677,053.89 and 114,409.87

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Solution

The fourth proportional to 451,370.17, 677,053.89 and 114,409.87 is: 171,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,370.17 : 677,053.89 = 114,409.87 : x
  2. Step 2: Convert to fraction form
    451,370.17/677,053.89 = 114,409.87/x
  3. Step 3: Cross multiply
    451,370.17x = 677,053.89 × 114,409.87
  4. Step 4: Simplify right side
    451,370.17x = 77,461,645,845.26
  5. Step 5: Solve for x
    x = 77,461,645,845.26/451,370.17
  6. Step 6: Final answer
    x = 171,614.45

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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.