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Finding the Fourth Proportional to 358,393.44, 494,557.43 and 213,191.22

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Solution

The fourth proportional to 358,393.44, 494,557.43 and 213,191.22 is: 294,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,393.44 : 494,557.43 = 213,191.22 : x
  2. Step 2: Convert to fraction form
    358,393.44/494,557.43 = 213,191.22/x
  3. Step 3: Cross multiply
    358,393.44x = 494,557.43 × 213,191.22
  4. Step 4: Simplify right side
    358,393.44x = 105,435,300,795.81
  5. Step 5: Solve for x
    x = 105,435,300,795.81/358,393.44
  6. Step 6: Final answer
    x = 294,188.70

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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.