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Finding the Fourth Proportional to 468,868.74, 647,038.08 and 254,014.26

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Solution

The fourth proportional to 468,868.74, 647,038.08 and 254,014.26 is: 350,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,868.74 : 647,038.08 = 254,014.26 : x
  2. Step 2: Convert to fraction form
    468,868.74/647,038.08 = 254,014.26/x
  3. Step 3: Cross multiply
    468,868.74x = 647,038.08 × 254,014.26
  4. Step 4: Simplify right side
    468,868.74x = 164,356,899,083.02
  5. Step 5: Solve for x
    x = 164,356,899,083.02/468,868.74
  6. Step 6: Final answer
    x = 350,539.26

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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.