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Finding the Fourth Proportional to 357,511.48, 493,369.86 and 196,370.26

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Solution

The fourth proportional to 357,511.48, 493,369.86 and 196,370.26 is: 270,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,511.48 : 493,369.86 = 196,370.26 : x
  2. Step 2: Convert to fraction form
    357,511.48/493,369.86 = 196,370.26/x
  3. Step 3: Cross multiply
    357,511.48x = 493,369.86 × 196,370.26
  4. Step 4: Simplify right side
    357,511.48x = 96,883,167,684.36
  5. Step 5: Solve for x
    x = 96,883,167,684.36/357,511.48
  6. Step 6: Final answer
    x = 270,993.17

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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.