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Finding the Fourth Proportional to 348,216, 522,362.40 and 111,503.04

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Solution

The fourth proportional to 348,216, 522,362.40 and 111,503.04 is: 167,266.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,216 : 522,362.40 = 111,503.04 : x
  2. Step 2: Convert to fraction form
    348,216/522,362.40 = 111,503.04/x
  3. Step 3: Cross multiply
    348,216x = 522,362.40 × 111,503.04
  4. Step 4: Simplify right side
    348,216x = 58,244,995,581.70
  5. Step 5: Solve for x
    x = 58,244,995,581.70/348,216
  6. Step 6: Final answer
    x = 167,266.86

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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.