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Finding the Fourth Proportional to 302,469.74, 453,598.89 and 89,181.05

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Solution

The fourth proportional to 302,469.74, 453,598.89 and 89,181.05 is: 133,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,469.74 : 453,598.89 = 89,181.05 : x
  2. Step 2: Convert to fraction form
    302,469.74/453,598.89 = 89,181.05/x
  3. Step 3: Cross multiply
    302,469.74x = 453,598.89 × 89,181.05
  4. Step 4: Simplify right side
    302,469.74x = 40,452,425,289.03
  5. Step 5: Solve for x
    x = 40,452,425,289.03/302,469.74
  6. Step 6: Final answer
    x = 133,740.40

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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.