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Finding the Fourth Proportional to 1,461,579.54, 2,015,978.97 and 952,970.82

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Solution

The fourth proportional to 1,461,579.54, 2,015,978.97 and 952,970.82 is: 1,314,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,579.54 : 2,015,978.97 = 952,970.82 : x
  2. Step 2: Convert to fraction form
    1,461,579.54/2,015,978.97 = 952,970.82/x
  3. Step 3: Cross multiply
    1,461,579.54x = 2,015,978.97 × 952,970.82
  4. Step 4: Simplify right side
    1,461,579.54x = 1,921,169,132,143.66
  5. Step 5: Solve for x
    x = 1,921,169,132,143.66/1,461,579.54
  6. Step 6: Final answer
    x = 1,314,447.20

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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.