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Finding the Fourth Proportional to 298,337.40, 447,750.90 and 296,004.60

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Solution

The fourth proportional to 298,337.40, 447,750.90 and 296,004.60 is: 444,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,337.40 : 447,750.90 = 296,004.60 : x
  2. Step 2: Convert to fraction form
    298,337.40/447,750.90 = 296,004.60/x
  3. Step 3: Cross multiply
    298,337.40x = 447,750.90 × 296,004.60
  4. Step 4: Simplify right side
    298,337.40x = 132,536,326,054.14
  5. Step 5: Solve for x
    x = 132,536,326,054.14/298,337.40
  6. Step 6: Final answer
    x = 444,249.79

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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.