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Finding the Fourth Proportional to 635,624.76, 876,238.38 and 444,043.56

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Solution

The fourth proportional to 635,624.76, 876,238.38 and 444,043.56 is: 612,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,624.76 : 876,238.38 = 444,043.56 : x
  2. Step 2: Convert to fraction form
    635,624.76/876,238.38 = 444,043.56/x
  3. Step 3: Cross multiply
    635,624.76x = 876,238.38 × 444,043.56
  4. Step 4: Simplify right side
    635,624.76x = 389,088,009,663.83
  5. Step 5: Solve for x
    x = 389,088,009,663.83/635,624.76
  6. Step 6: Final answer
    x = 612,134.76

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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.