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Finding the Fourth Proportional to 555,959.32, 766,818.42 and 352,043.44

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Solution

The fourth proportional to 555,959.32, 766,818.42 and 352,043.44 is: 485,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,959.32 : 766,818.42 = 352,043.44 : x
  2. Step 2: Convert to fraction form
    555,959.32/766,818.42 = 352,043.44/x
  3. Step 3: Cross multiply
    555,959.32x = 766,818.42 × 352,043.44
  4. Step 4: Simplify right side
    555,959.32x = 269,953,394,432.17
  5. Step 5: Solve for x
    x = 269,953,394,432.17/555,959.32
  6. Step 6: Final answer
    x = 485,563.21

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1.5x scale

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.