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Finding the Fourth Proportional to 706,335.64, 1,059,479.64 and 306,976.44

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Solution

The fourth proportional to 706,335.64, 1,059,479.64 and 306,976.44 is: 460,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,335.64 : 1,059,479.64 = 306,976.44 : x
  2. Step 2: Convert to fraction form
    706,335.64/1,059,479.64 = 306,976.44/x
  3. Step 3: Cross multiply
    706,335.64x = 1,059,479.64 × 306,976.44
  4. Step 4: Simplify right side
    706,335.64x = 325,235,288,139.68
  5. Step 5: Solve for x
    x = 325,235,288,139.68/706,335.64
  6. Step 6: Final answer
    x = 460,454.31

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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.