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Finding the Fourth Proportional to 468,862.74, 647,029.80 and 254,008.26

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Solution

The fourth proportional to 468,862.74, 647,029.80 and 254,008.26 is: 350,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,862.74 : 647,029.80 = 254,008.26 : x
  2. Step 2: Convert to fraction form
    468,862.74/647,029.80 = 254,008.26/x
  3. Step 3: Cross multiply
    468,862.74x = 647,029.80 × 254,008.26
  4. Step 4: Simplify right side
    468,862.74x = 164,350,913,666.15
  5. Step 5: Solve for x
    x = 164,350,913,666.15/468,862.74
  6. Step 6: Final answer
    x = 350,530.98

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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.