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Finding the Fourth Proportional to 235,951.65, 352,144.89 and 219,953.05

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Solution

The fourth proportional to 235,951.65, 352,144.89 and 219,953.05 is: 328,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,951.65 : 352,144.89 = 219,953.05 : x
  2. Step 2: Convert to fraction form
    235,951.65/352,144.89 = 219,953.05/x
  3. Step 3: Cross multiply
    235,951.65x = 352,144.89 × 219,953.05
  4. Step 4: Simplify right side
    235,951.65x = 77,455,341,717.05
  5. Step 5: Solve for x
    x = 77,455,341,717.05/235,951.65
  6. Step 6: Final answer
    x = 328,267.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.