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Finding the Fourth Proportional to 235,481.85, 353,222.78 and 207,925.65

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Solution

The fourth proportional to 235,481.85, 353,222.78 and 207,925.65 is: 311,888.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,481.85 : 353,222.78 = 207,925.65 : x
  2. Step 2: Convert to fraction form
    235,481.85/353,222.78 = 207,925.65/x
  3. Step 3: Cross multiply
    235,481.85x = 353,222.78 × 207,925.65
  4. Step 4: Simplify right side
    235,481.85x = 73,444,075,086.68
  5. Step 5: Solve for x
    x = 73,444,075,086.68/235,481.85
  6. Step 6: Final answer
    x = 311,888.48

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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.