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Finding the Fourth Proportional to 298,037.76, 447,057.54 and 73,403.49

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Solution

The fourth proportional to 298,037.76, 447,057.54 and 73,403.49 is: 110,105.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,037.76 : 447,057.54 = 73,403.49 : x
  2. Step 2: Convert to fraction form
    298,037.76/447,057.54 = 73,403.49/x
  3. Step 3: Cross multiply
    298,037.76x = 447,057.54 × 73,403.49
  4. Step 4: Simplify right side
    298,037.76x = 32,815,583,666.81
  5. Step 5: Solve for x
    x = 32,815,583,666.81/298,037.76
  6. Step 6: Final answer
    x = 110,105.46

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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.