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Finding the Fourth Proportional to 367,315.08, 550,971.72 and 207,318.48

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Solution

The fourth proportional to 367,315.08, 550,971.72 and 207,318.48 is: 310,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,315.08 : 550,971.72 = 207,318.48 : x
  2. Step 2: Convert to fraction form
    367,315.08/550,971.72 = 207,318.48/x
  3. Step 3: Cross multiply
    367,315.08x = 550,971.72 × 207,318.48
  4. Step 4: Simplify right side
    367,315.08x = 114,226,619,513.39
  5. Step 5: Solve for x
    x = 114,226,619,513.39/367,315.08
  6. Step 6: Final answer
    x = 310,977.21

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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.