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Finding the Fourth Proportional to 474,603.60, 654,953.24 and 259,743.56

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Solution

The fourth proportional to 474,603.60, 654,953.24 and 259,743.56 is: 358,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,603.60 : 654,953.24 = 259,743.56 : x
  2. Step 2: Convert to fraction form
    474,603.60/654,953.24 = 259,743.56/x
  3. Step 3: Cross multiply
    474,603.60x = 654,953.24 × 259,743.56
  4. Step 4: Simplify right side
    474,603.60x = 170,119,886,191.13
  5. Step 5: Solve for x
    x = 170,119,886,191.13/474,603.60
  6. Step 6: Final answer
    x = 358,446.26

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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.