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Finding the Fourth Proportional to 298,810.67, 412,346.68 and 162,841.69

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Solution

The fourth proportional to 298,810.67, 412,346.68 and 162,841.69 is: 224,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,810.67 : 412,346.68 = 162,841.69 : x
  2. Step 2: Convert to fraction form
    298,810.67/412,346.68 = 162,841.69/x
  3. Step 3: Cross multiply
    298,810.67x = 412,346.68 × 162,841.69
  4. Step 4: Simplify right side
    298,810.67x = 67,147,230,345.42
  5. Step 5: Solve for x
    x = 67,147,230,345.42/298,810.67
  6. Step 6: Final answer
    x = 224,714.97

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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.