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Finding the Fourth Proportional to 468,709.88, 703,058.54 and 113,726.84

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Solution

The fourth proportional to 468,709.88, 703,058.54 and 113,726.84 is: 170,588.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,709.88 : 703,058.54 = 113,726.84 : x
  2. Step 2: Convert to fraction form
    468,709.88/703,058.54 = 113,726.84/x
  3. Step 3: Cross multiply
    468,709.88x = 703,058.54 × 113,726.84
  4. Step 4: Simplify right side
    468,709.88x = 79,956,626,089.21
  5. Step 5: Solve for x
    x = 79,956,626,089.21/468,709.88
  6. Step 6: Final answer
    x = 170,588.74

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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.