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Finding the Fourth Proportional to 417,644.47, 576,266.00 and 254,191.49

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Solution

The fourth proportional to 417,644.47, 576,266.00 and 254,191.49 is: 350,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,644.47 : 576,266.00 = 254,191.49 : x
  2. Step 2: Convert to fraction form
    417,644.47/576,266.00 = 254,191.49/x
  3. Step 3: Cross multiply
    417,644.47x = 576,266.00 × 254,191.49
  4. Step 4: Simplify right side
    417,644.47x = 146,481,913,811.82
  5. Step 5: Solve for x
    x = 146,481,913,811.82/417,644.47
  6. Step 6: Final answer
    x = 350,733.52

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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.