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Finding the Fourth Proportional to 555,573.20, 766,691.04 and 300,924.46

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Solution

The fourth proportional to 555,573.20, 766,691.04 and 300,924.46 is: 415,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,573.20 : 766,691.04 = 300,924.46 : x
  2. Step 2: Convert to fraction form
    555,573.20/766,691.04 = 300,924.46/x
  3. Step 3: Cross multiply
    555,573.20x = 766,691.04 × 300,924.46
  4. Step 4: Simplify right side
    555,573.20x = 230,716,087,198.84
  5. Step 5: Solve for x
    x = 230,716,087,198.84/555,573.20
  6. Step 6: Final answer
    x = 415,275.77

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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.