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Finding the Fourth Proportional to 555,961.59, 767,309.49 and 352,031.54

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Solution

The fourth proportional to 555,961.59, 767,309.49 and 352,031.54 is: 485,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,961.59 : 767,309.49 = 352,031.54 : x
  2. Step 2: Convert to fraction form
    555,961.59/767,309.49 = 352,031.54/x
  3. Step 3: Cross multiply
    555,961.59x = 767,309.49 × 352,031.54
  4. Step 4: Simplify right side
    555,961.59x = 270,117,137,584.77
  5. Step 5: Solve for x
    x = 270,117,137,584.77/555,961.59
  6. Step 6: Final answer
    x = 485,855.75

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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.