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Finding the Fourth Proportional to 487,137.16, 730,518.72 and 167,229.37

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Solution

The fourth proportional to 487,137.16, 730,518.72 and 167,229.37 is: 250,779.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,137.16 : 730,518.72 = 167,229.37 : x
  2. Step 2: Convert to fraction form
    487,137.16/730,518.72 = 167,229.37/x
  3. Step 3: Cross multiply
    487,137.16x = 730,518.72 × 167,229.37
  4. Step 4: Simplify right side
    487,137.16x = 122,164,185,318.81
  5. Step 5: Solve for x
    x = 122,164,185,318.81/487,137.16
  6. Step 6: Final answer
    x = 250,779.85

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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.