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Finding the Fourth Proportional to 349,745.20, 524,617.80 and 97,025.20

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Solution

The fourth proportional to 349,745.20, 524,617.80 and 97,025.20 is: 145,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,745.20 : 524,617.80 = 97,025.20 : x
  2. Step 2: Convert to fraction form
    349,745.20/524,617.80 = 97,025.20/x
  3. Step 3: Cross multiply
    349,745.20x = 524,617.80 × 97,025.20
  4. Step 4: Simplify right side
    349,745.20x = 50,901,146,968.56
  5. Step 5: Solve for x
    x = 50,901,146,968.56/349,745.20
  6. Step 6: Final answer
    x = 145,537.80

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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.