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Finding the Fourth Proportional to 236,117.70, 354,176.55 and 211,623.30

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Solution

The fourth proportional to 236,117.70, 354,176.55 and 211,623.30 is: 317,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,117.70 : 354,176.55 = 211,623.30 : x
  2. Step 2: Convert to fraction form
    236,117.70/354,176.55 = 211,623.30/x
  3. Step 3: Cross multiply
    236,117.70x = 354,176.55 × 211,623.30
  4. Step 4: Simplify right side
    236,117.70x = 74,952,010,293.62
  5. Step 5: Solve for x
    x = 74,952,010,293.62/236,117.70
  6. Step 6: Final answer
    x = 317,434.95

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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.