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Finding the Fourth Proportional to 309,243.42, 463,867.16 and 84,598.83

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Solution

The fourth proportional to 309,243.42, 463,867.16 and 84,598.83 is: 126,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,243.42 : 463,867.16 = 84,598.83 : x
  2. Step 2: Convert to fraction form
    309,243.42/463,867.16 = 84,598.83/x
  3. Step 3: Cross multiply
    309,243.42x = 463,867.16 × 84,598.83
  4. Step 4: Simplify right side
    309,243.42x = 39,242,618,588.43
  5. Step 5: Solve for x
    x = 39,242,618,588.43/309,243.42
  6. Step 6: Final answer
    x = 126,898.80

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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.