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Finding the Fourth Proportional to 438,094.89, 604,589.27 and 276,891.39

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Solution

The fourth proportional to 438,094.89, 604,589.27 and 276,891.39 is: 382,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,094.89 : 604,589.27 = 276,891.39 : x
  2. Step 2: Convert to fraction form
    438,094.89/604,589.27 = 276,891.39/x
  3. Step 3: Cross multiply
    438,094.89x = 604,589.27 × 276,891.39
  4. Step 4: Simplify right side
    438,094.89x = 167,405,561,964.93
  5. Step 5: Solve for x
    x = 167,405,561,964.93/438,094.89
  6. Step 6: Final answer
    x = 382,121.70

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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.