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Finding the Fourth Proportional to 468,890.68, 647,070.29 and 254,030.76

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Solution

The fourth proportional to 468,890.68, 647,070.29 and 254,030.76 is: 350,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,890.68 : 647,070.29 = 254,030.76 : x
  2. Step 2: Convert to fraction form
    468,890.68/647,070.29 = 254,030.76/x
  3. Step 3: Cross multiply
    468,890.68x = 647,070.29 × 254,030.76
  4. Step 4: Simplify right side
    468,890.68x = 164,375,757,542.12
  5. Step 5: Solve for x
    x = 164,375,757,542.12/468,890.68
  6. Step 6: Final answer
    x = 350,563.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.