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Finding the Fourth Proportional to 482,891.08, 724,465.44 and 167,347.72

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Solution

The fourth proportional to 482,891.08, 724,465.44 and 167,347.72 is: 251,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,891.08 : 724,465.44 = 167,347.72 : x
  2. Step 2: Convert to fraction form
    482,891.08/724,465.44 = 167,347.72/x
  3. Step 3: Cross multiply
    482,891.08x = 724,465.44 × 167,347.72
  4. Step 4: Simplify right side
    482,891.08x = 121,237,639,602.80
  5. Step 5: Solve for x
    x = 121,237,639,602.80/482,891.08
  6. Step 6: Final answer
    x = 251,066.22

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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.