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Finding the Fourth Proportional to 558,964.80, 838,447.20 and 184,987.80

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Solution

The fourth proportional to 558,964.80, 838,447.20 and 184,987.80 is: 277,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,964.80 : 838,447.20 = 184,987.80 : x
  2. Step 2: Convert to fraction form
    558,964.80/838,447.20 = 184,987.80/x
  3. Step 3: Cross multiply
    558,964.80x = 838,447.20 × 184,987.80
  4. Step 4: Simplify right side
    558,964.80x = 155,102,502,944.16
  5. Step 5: Solve for x
    x = 155,102,502,944.16/558,964.80
  6. Step 6: Final answer
    x = 277,481.70

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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.