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Finding the Fourth Proportional to 346,399.70, 483,778.60 and 346,399.70

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Solution

The fourth proportional to 346,399.70, 483,778.60 and 346,399.70 is: 483,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,399.70 : 483,778.60 = 346,399.70 : x
  2. Step 2: Convert to fraction form
    346,399.70/483,778.60 = 346,399.70/x
  3. Step 3: Cross multiply
    346,399.70x = 483,778.60 × 346,399.70
  4. Step 4: Simplify right side
    346,399.70x = 167,580,761,906.42
  5. Step 5: Solve for x
    x = 167,580,761,906.42/346,399.70
  6. Step 6: Final answer
    x = 483,778.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.