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Finding the Fourth Proportional to 298,801.93, 412,341.11 and 162,836.81

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Solution

The fourth proportional to 298,801.93, 412,341.11 and 162,836.81 is: 224,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,801.93 : 412,341.11 = 162,836.81 : x
  2. Step 2: Convert to fraction form
    298,801.93/412,341.11 = 162,836.81/x
  3. Step 3: Cross multiply
    298,801.93x = 412,341.11 × 162,836.81
  4. Step 4: Simplify right side
    298,801.93x = 67,144,310,170.08
  5. Step 5: Solve for x
    x = 67,144,310,170.08/298,801.93
  6. Step 6: Final answer
    x = 224,711.77

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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.