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Finding the Fourth Proportional to 576,113.39, 794,917.76 and 331,050.80

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Solution

The fourth proportional to 576,113.39, 794,917.76 and 331,050.80 is: 456,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,113.39 : 794,917.76 = 331,050.80 : x
  2. Step 2: Convert to fraction form
    576,113.39/794,917.76 = 331,050.80/x
  3. Step 3: Cross multiply
    576,113.39x = 794,917.76 × 331,050.80
  4. Step 4: Simplify right side
    576,113.39x = 263,158,160,382.21
  5. Step 5: Solve for x
    x = 263,158,160,382.21/576,113.39
  6. Step 6: Final answer
    x = 456,781.89

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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.