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Finding the Fourth Proportional to 805,689.20, 1,111,763.94 and 466,094

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Solution

The fourth proportional to 805,689.20, 1,111,763.94 and 466,094 is: 643,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,689.20 : 1,111,763.94 = 466,094 : x
  2. Step 2: Convert to fraction form
    805,689.20/1,111,763.94 = 466,094/x
  3. Step 3: Cross multiply
    805,689.20x = 1,111,763.94 × 466,094
  4. Step 4: Simplify right side
    805,689.20x = 518,186,501,850.36
  5. Step 5: Solve for x
    x = 518,186,501,850.36/805,689.20
  6. Step 6: Final answer
    x = 643,159.30

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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.