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Finding the Fourth Proportional to 2,230.02, 3,345.02 and 670.02

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Solution

The fourth proportional to 2,230.02, 3,345.02 and 670.02 is: 1,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.02 : 3,345.02 = 670.02 : x
  2. Step 2: Convert to fraction form
    2,230.02/3,345.02 = 670.02/x
  3. Step 3: Cross multiply
    2,230.02x = 3,345.02 × 670.02
  4. Step 4: Simplify right side
    2,230.02x = 2,241,230.30
  5. Step 5: Solve for x
    x = 2,241,230.30/2,230.02
  6. Step 6: Final answer
    x = 1,005.03

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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.