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Finding the Fourth Proportional to 577,950.63, 867,175.17 and 223,213.76

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Solution

The fourth proportional to 577,950.63, 867,175.17 and 223,213.76 is: 334,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,950.63 : 867,175.17 = 223,213.76 : x
  2. Step 2: Convert to fraction form
    577,950.63/867,175.17 = 223,213.76/x
  3. Step 3: Cross multiply
    577,950.63x = 867,175.17 × 223,213.76
  4. Step 4: Simplify right side
    577,950.63x = 193,565,428,353.32
  5. Step 5: Solve for x
    x = 193,565,428,353.32/577,950.63
  6. Step 6: Final answer
    x = 334,916.89

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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.