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Finding the Fourth Proportional to 247,253.50, 370,847.04 and 69,774.76

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Solution

The fourth proportional to 247,253.50, 370,847.04 and 69,774.76 is: 104,652.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,253.50 : 370,847.04 = 69,774.76 : x
  2. Step 2: Convert to fraction form
    247,253.50/370,847.04 = 69,774.76/x
  3. Step 3: Cross multiply
    247,253.50x = 370,847.04 × 69,774.76
  4. Step 4: Simplify right side
    247,253.50x = 25,875,763,212.71
  5. Step 5: Solve for x
    x = 25,875,763,212.71/247,253.50
  6. Step 6: Final answer
    x = 104,652.77

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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.