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Finding the Fourth Proportional to 363,261.78, 501,303.72 and 202,123.62

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Solution

The fourth proportional to 363,261.78, 501,303.72 and 202,123.62 is: 278,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,261.78 : 501,303.72 = 202,123.62 : x
  2. Step 2: Convert to fraction form
    363,261.78/501,303.72 = 202,123.62/x
  3. Step 3: Cross multiply
    363,261.78x = 501,303.72 × 202,123.62
  4. Step 4: Simplify right side
    363,261.78x = 101,325,322,605.87
  5. Step 5: Solve for x
    x = 101,325,322,605.87/363,261.78
  6. Step 6: Final answer
    x = 278,931.97

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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.