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Finding the Fourth Proportional to 247,217.54, 370,334.99 and 120,488.27

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Solution

The fourth proportional to 247,217.54, 370,334.99 and 120,488.27 is: 180,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,217.54 : 370,334.99 = 120,488.27 : x
  2. Step 2: Convert to fraction form
    247,217.54/370,334.99 = 120,488.27/x
  3. Step 3: Cross multiply
    247,217.54x = 370,334.99 × 120,488.27
  4. Step 4: Simplify right side
    247,217.54x = 44,621,020,715.11
  5. Step 5: Solve for x
    x = 44,621,020,715.11/247,217.54
  6. Step 6: Final answer
    x = 180,492.94

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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.