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Finding the Fourth Proportional to 363,018.37, 500,891.93 and 212,086.21

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Solution

The fourth proportional to 363,018.37, 500,891.93 and 212,086.21 is: 292,636.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,018.37 : 500,891.93 = 212,086.21 : x
  2. Step 2: Convert to fraction form
    363,018.37/500,891.93 = 212,086.21/x
  3. Step 3: Cross multiply
    363,018.37x = 500,891.93 × 212,086.21
  4. Step 4: Simplify right side
    363,018.37x = 106,232,268,548.83
  5. Step 5: Solve for x
    x = 106,232,268,548.83/363,018.37
  6. Step 6: Final answer
    x = 292,636.07

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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.