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Finding the Fourth Proportional to 610,538.28, 842,392.56 and 365,603.52

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Solution

The fourth proportional to 610,538.28, 842,392.56 and 365,603.52 is: 504,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,538.28 : 842,392.56 = 365,603.52 : x
  2. Step 2: Convert to fraction form
    610,538.28/842,392.56 = 365,603.52/x
  3. Step 3: Cross multiply
    610,538.28x = 842,392.56 × 365,603.52
  4. Step 4: Simplify right side
    610,538.28x = 307,981,685,157.81
  5. Step 5: Solve for x
    x = 307,981,685,157.81/610,538.28
  6. Step 6: Final answer
    x = 504,442.87

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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.