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Finding the Fourth Proportional to 349,399.40, 524,099.10 and 162,775.40

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Solution

The fourth proportional to 349,399.40, 524,099.10 and 162,775.40 is: 244,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,399.40 : 524,099.10 = 162,775.40 : x
  2. Step 2: Convert to fraction form
    349,399.40/524,099.10 = 162,775.40/x
  3. Step 3: Cross multiply
    349,399.40x = 524,099.10 × 162,775.40
  4. Step 4: Simplify right side
    349,399.40x = 85,310,440,642.14
  5. Step 5: Solve for x
    x = 85,310,440,642.14/349,399.40
  6. Step 6: Final answer
    x = 244,163.10

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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.