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Finding the Fourth Proportional to 635,444.44, 876,427.38 and 431,652.46

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Solution

The fourth proportional to 635,444.44, 876,427.38 and 431,652.46 is: 595,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,444.44 : 876,427.38 = 431,652.46 : x
  2. Step 2: Convert to fraction form
    635,444.44/876,427.38 = 431,652.46/x
  3. Step 3: Cross multiply
    635,444.44x = 876,427.38 × 431,652.46
  4. Step 4: Simplify right side
    635,444.44x = 378,312,034,588.36
  5. Step 5: Solve for x
    x = 378,312,034,588.36/635,444.44
  6. Step 6: Final answer
    x = 595,350.29

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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.