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Finding the Fourth Proportional to 236,433.30, 354,131.55 and 205,329.30

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Solution

The fourth proportional to 236,433.30, 354,131.55 and 205,329.30 is: 307,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,433.30 : 354,131.55 = 205,329.30 : x
  2. Step 2: Convert to fraction form
    236,433.30/354,131.55 = 205,329.30/x
  3. Step 3: Cross multiply
    236,433.30x = 354,131.55 × 205,329.30
  4. Step 4: Simplify right side
    236,433.30x = 72,713,583,269.42
  5. Step 5: Solve for x
    x = 72,713,583,269.42/236,433.30
  6. Step 6: Final answer
    x = 307,543.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.