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Finding the Fourth Proportional to 650,993.97, 898,386.15 and 371,585.54

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Solution

The fourth proportional to 650,993.97, 898,386.15 and 371,585.54 is: 512,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,993.97 : 898,386.15 = 371,585.54 : x
  2. Step 2: Convert to fraction form
    650,993.97/898,386.15 = 371,585.54/x
  3. Step 3: Cross multiply
    650,993.97x = 898,386.15 × 371,585.54
  4. Step 4: Simplify right side
    650,993.97x = 333,827,298,184.34
  5. Step 5: Solve for x
    x = 333,827,298,184.34/650,993.97
  6. Step 6: Final answer
    x = 512,796.30

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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.