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Finding the Fourth Proportional to 898,993.17, 1,348,480.46 and 519,672.51

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Solution

The fourth proportional to 898,993.17, 1,348,480.46 and 519,672.51 is: 779,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,993.17 : 1,348,480.46 = 519,672.51 : x
  2. Step 2: Convert to fraction form
    898,993.17/1,348,480.46 = 519,672.51/x
  3. Step 3: Cross multiply
    898,993.17x = 1,348,480.46 × 519,672.51
  4. Step 4: Simplify right side
    898,993.17x = 700,768,222,735.79
  5. Step 5: Solve for x
    x = 700,768,222,735.79/898,993.17
  6. Step 6: Final answer
    x = 779,503.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.