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Finding the Fourth Proportional to 350,530.62, 483,602.31 and 243,195.90

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Solution

The fourth proportional to 350,530.62, 483,602.31 and 243,195.90 is: 335,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,530.62 : 483,602.31 = 243,195.90 : x
  2. Step 2: Convert to fraction form
    350,530.62/483,602.31 = 243,195.90/x
  3. Step 3: Cross multiply
    350,530.62x = 483,602.31 × 243,195.90
  4. Step 4: Simplify right side
    350,530.62x = 117,610,099,022.53
  5. Step 5: Solve for x
    x = 117,610,099,022.53/350,530.62
  6. Step 6: Final answer
    x = 335,520.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.