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Finding the Fourth Proportional to 263,751.55, 363,955.62 and 154,844.42

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Solution

The fourth proportional to 263,751.55, 363,955.62 and 154,844.42 is: 213,672.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,751.55 : 363,955.62 = 154,844.42 : x
  2. Step 2: Convert to fraction form
    263,751.55/363,955.62 = 154,844.42/x
  3. Step 3: Cross multiply
    263,751.55x = 363,955.62 × 154,844.42
  4. Step 4: Simplify right side
    263,751.55x = 56,356,494,774.53
  5. Step 5: Solve for x
    x = 56,356,494,774.53/263,751.55
  6. Step 6: Final answer
    x = 213,672.66

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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.