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Finding the Fourth Proportional to 581,672.70, 872,151.84 and 226,272.51

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Solution

The fourth proportional to 581,672.70, 872,151.84 and 226,272.51 is: 339,269.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,672.70 : 872,151.84 = 226,272.51 : x
  2. Step 2: Convert to fraction form
    581,672.70/872,151.84 = 226,272.51/x
  3. Step 3: Cross multiply
    581,672.70x = 872,151.84 × 226,272.51
  4. Step 4: Simplify right side
    581,672.70x = 197,343,985,937.92
  5. Step 5: Solve for x
    x = 197,343,985,937.92/581,672.70
  6. Step 6: Final answer
    x = 339,269.81

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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.