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Finding the Fourth Proportional to 354,344.22, 488,986.14 and 193,202.40

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Solution

The fourth proportional to 354,344.22, 488,986.14 and 193,202.40 is: 266,614.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,344.22 : 488,986.14 = 193,202.40 : x
  2. Step 2: Convert to fraction form
    354,344.22/488,986.14 = 193,202.40/x
  3. Step 3: Cross multiply
    354,344.22x = 488,986.14 × 193,202.40
  4. Step 4: Simplify right side
    354,344.22x = 94,473,295,814.74
  5. Step 5: Solve for x
    x = 94,473,295,814.74/354,344.22
  6. Step 6: Final answer
    x = 266,614.47

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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.