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Finding the Fourth Proportional to 487,828.58, 731,561 and 167,891.06

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Solution

The fourth proportional to 487,828.58, 731,561 and 167,891.06 is: 251,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,828.58 : 731,561 = 167,891.06 : x
  2. Step 2: Convert to fraction form
    487,828.58/731,561 = 167,891.06/x
  3. Step 3: Cross multiply
    487,828.58x = 731,561 × 167,891.06
  4. Step 4: Simplify right side
    487,828.58x = 122,822,551,744.66
  5. Step 5: Solve for x
    x = 122,822,551,744.66/487,828.58
  6. Step 6: Final answer
    x = 251,774.00

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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.