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Finding the Fourth Proportional to 298,849.66, 412,400.43 and 162,880.66

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Solution

The fourth proportional to 298,849.66, 412,400.43 and 162,880.66 is: 224,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,849.66 : 412,400.43 = 162,880.66 : x
  2. Step 2: Convert to fraction form
    298,849.66/412,400.43 = 162,880.66/x
  3. Step 3: Cross multiply
    298,849.66x = 412,400.43 × 162,880.66
  4. Step 4: Simplify right side
    298,849.66x = 67,172,054,222.68
  5. Step 5: Solve for x
    x = 67,172,054,222.68/298,849.66
  6. Step 6: Final answer
    x = 224,768.72

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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.