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Finding the Fourth Proportional to 487,501.34, 731,268.18 and 167,650.04

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Solution

The fourth proportional to 487,501.34, 731,268.18 and 167,650.04 is: 251,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,501.34 : 731,268.18 = 167,650.04 : x
  2. Step 2: Convert to fraction form
    487,501.34/731,268.18 = 167,650.04/x
  3. Step 3: Cross multiply
    487,501.34x = 731,268.18 × 167,650.04
  4. Step 4: Simplify right side
    487,501.34x = 122,597,141,455.90
  5. Step 5: Solve for x
    x = 122,597,141,455.90/487,501.34
  6. Step 6: Final answer
    x = 251,480.63

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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.