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Finding the Fourth Proportional to 357,355.26, 493,158.21 and 196,210.95

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Solution

The fourth proportional to 357,355.26, 493,158.21 and 196,210.95 is: 270,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,355.26 : 493,158.21 = 196,210.95 : x
  2. Step 2: Convert to fraction form
    357,355.26/493,158.21 = 196,210.95/x
  3. Step 3: Cross multiply
    357,355.26x = 493,158.21 × 196,210.95
  4. Step 4: Simplify right side
    357,355.26x = 96,763,038,299.27
  5. Step 5: Solve for x
    x = 96,763,038,299.27/357,355.26
  6. Step 6: Final answer
    x = 270,775.47

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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.