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Finding the Fourth Proportional to 367,007.85, 550,511.78 and 117,715.05

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Solution

The fourth proportional to 367,007.85, 550,511.78 and 117,715.05 is: 176,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,007.85 : 550,511.78 = 117,715.05 : x
  2. Step 2: Convert to fraction form
    367,007.85/550,511.78 = 117,715.05/x
  3. Step 3: Cross multiply
    367,007.85x = 550,511.78 × 117,715.05
  4. Step 4: Simplify right side
    367,007.85x = 64,803,521,119.71
  5. Step 5: Solve for x
    x = 64,803,521,119.71/367,007.85
  6. Step 6: Final answer
    x = 176,572.58

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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.