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Finding the Fourth Proportional to 403,211.58, 556,200.24 and 252,046.14

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Solution

The fourth proportional to 403,211.58, 556,200.24 and 252,046.14 is: 347,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,211.58 : 556,200.24 = 252,046.14 : x
  2. Step 2: Convert to fraction form
    403,211.58/556,200.24 = 252,046.14/x
  3. Step 3: Cross multiply
    403,211.58x = 556,200.24 × 252,046.14
  4. Step 4: Simplify right side
    403,211.58x = 140,188,123,559.07
  5. Step 5: Solve for x
    x = 140,188,123,559.07/403,211.58
  6. Step 6: Final answer
    x = 347,678.81

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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.