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Finding the Fourth Proportional to 348,534.72, 522,752.67 and 111,846.78

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Solution

The fourth proportional to 348,534.72, 522,752.67 and 111,846.78 is: 167,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,534.72 : 522,752.67 = 111,846.78 : x
  2. Step 2: Convert to fraction form
    348,534.72/522,752.67 = 111,846.78/x
  3. Step 3: Cross multiply
    348,534.72x = 522,752.67 × 111,846.78
  4. Step 4: Simplify right side
    348,534.72x = 58,468,202,875.90
  5. Step 5: Solve for x
    x = 58,468,202,875.90/348,534.72
  6. Step 6: Final answer
    x = 167,754.31

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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.