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Finding the Fourth Proportional to 380,174.42, 570,455.09 and 237,995.39

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Solution

The fourth proportional to 380,174.42, 570,455.09 and 237,995.39 is: 357,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,174.42 : 570,455.09 = 237,995.39 : x
  2. Step 2: Convert to fraction form
    380,174.42/570,455.09 = 237,995.39/x
  3. Step 3: Cross multiply
    380,174.42x = 570,455.09 × 237,995.39
  4. Step 4: Simplify right side
    380,174.42x = 135,765,681,622.04
  5. Step 5: Solve for x
    x = 135,765,681,622.04/380,174.42
  6. Step 6: Final answer
    x = 357,114.19

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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.