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Finding the Fourth Proportional to 298,170.55, 447,160.45 and 98,453.71

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Solution

The fourth proportional to 298,170.55, 447,160.45 and 98,453.71 is: 147,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,170.55 : 447,160.45 = 98,453.71 : x
  2. Step 2: Convert to fraction form
    298,170.55/447,160.45 = 98,453.71/x
  3. Step 3: Cross multiply
    298,170.55x = 447,160.45 × 98,453.71
  4. Step 4: Simplify right side
    298,170.55x = 44,024,605,765.19
  5. Step 5: Solve for x
    x = 44,024,605,765.19/298,170.55
  6. Step 6: Final answer
    x = 147,649.07

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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.