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Finding the Fourth Proportional to 658,149.40, 987,224.10 and 184,850.20

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Solution

The fourth proportional to 658,149.40, 987,224.10 and 184,850.20 is: 277,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,149.40 : 987,224.10 = 184,850.20 : x
  2. Step 2: Convert to fraction form
    658,149.40/987,224.10 = 184,850.20/x
  3. Step 3: Cross multiply
    658,149.40x = 987,224.10 × 184,850.20
  4. Step 4: Simplify right side
    658,149.40x = 182,488,572,329.82
  5. Step 5: Solve for x
    x = 182,488,572,329.82/658,149.40
  6. Step 6: Final answer
    x = 277,275.30

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Half scale
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Double scale
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Similar ratio
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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.