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Finding the Fourth Proportional to 658,158.40, 987,237.60 and 184,859.20

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Solution

The fourth proportional to 658,158.40, 987,237.60 and 184,859.20 is: 277,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,158.40 : 987,237.60 = 184,859.20 : x
  2. Step 2: Convert to fraction form
    658,158.40/987,237.60 = 184,859.20/x
  3. Step 3: Cross multiply
    658,158.40x = 987,237.60 × 184,859.20
  4. Step 4: Simplify right side
    658,158.40x = 182,499,952,945.92
  5. Step 5: Solve for x
    x = 182,499,952,945.92/658,158.40
  6. Step 6: Final answer
    x = 277,288.80

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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.