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Finding the Fourth Proportional to 468,317.97, 646,278.77 and 253,458.02

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Solution

The fourth proportional to 468,317.97, 646,278.77 and 253,458.02 is: 349,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,317.97 : 646,278.77 = 253,458.02 : x
  2. Step 2: Convert to fraction form
    468,317.97/646,278.77 = 253,458.02/x
  3. Step 3: Cross multiply
    468,317.97x = 646,278.77 × 253,458.02
  4. Step 4: Simplify right side
    468,317.97x = 163,804,539,661.58
  5. Step 5: Solve for x
    x = 163,804,539,661.58/468,317.97
  6. Step 6: Final answer
    x = 349,772.06

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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.