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Finding the Fourth Proportional to 338,181.70, 507,152.89 and 98,245.68

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Solution

The fourth proportional to 338,181.70, 507,152.89 and 98,245.68 is: 147,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,181.70 : 507,152.89 = 98,245.68 : x
  2. Step 2: Convert to fraction form
    338,181.70/507,152.89 = 98,245.68/x
  3. Step 3: Cross multiply
    338,181.70x = 507,152.89 × 98,245.68
  4. Step 4: Simplify right side
    338,181.70x = 49,825,580,296.40
  5. Step 5: Solve for x
    x = 49,825,580,296.40/338,181.70
  6. Step 6: Final answer
    x = 147,333.76

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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.