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Finding the Fourth Proportional to 539,749.38, 744,917.31 and 448,945.14

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Solution

The fourth proportional to 539,749.38, 744,917.31 and 448,945.14 is: 619,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,749.38 : 744,917.31 = 448,945.14 : x
  2. Step 2: Convert to fraction form
    539,749.38/744,917.31 = 448,945.14/x
  3. Step 3: Cross multiply
    539,749.38x = 744,917.31 × 448,945.14
  4. Step 4: Simplify right side
    539,749.38x = 334,427,006,026.37
  5. Step 5: Solve for x
    x = 334,427,006,026.37/539,749.38
  6. Step 6: Final answer
    x = 619,596.83

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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.