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Finding the Fourth Proportional to 474,442.32, 654,745.96 and 259,577.48

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Solution

The fourth proportional to 474,442.32, 654,745.96 and 259,577.48 is: 358,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,442.32 : 654,745.96 = 259,577.48 : x
  2. Step 2: Convert to fraction form
    474,442.32/654,745.96 = 259,577.48/x
  3. Step 3: Cross multiply
    474,442.32x = 654,745.96 × 259,577.48
  4. Step 4: Simplify right side
    474,442.32x = 169,957,306,336.98
  5. Step 5: Solve for x
    x = 169,957,306,336.98/474,442.32
  6. Step 6: Final answer
    x = 358,225.43

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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.