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Finding the Fourth Proportional to 349,660.80, 524,491.20 and 113,173.20

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Solution

The fourth proportional to 349,660.80, 524,491.20 and 113,173.20 is: 169,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,660.80 : 524,491.20 = 113,173.20 : x
  2. Step 2: Convert to fraction form
    349,660.80/524,491.20 = 113,173.20/x
  3. Step 3: Cross multiply
    349,660.80x = 524,491.20 × 113,173.20
  4. Step 4: Simplify right side
    349,660.80x = 59,358,347,475.84
  5. Step 5: Solve for x
    x = 59,358,347,475.84/349,660.80
  6. Step 6: Final answer
    x = 169,759.80

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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.