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Finding the Fourth Proportional to 558,853.81, 838,280.99 and 184,876.81

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Solution

The fourth proportional to 558,853.81, 838,280.99 and 184,876.81 is: 277,315.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,853.81 : 838,280.99 = 184,876.81 : x
  2. Step 2: Convert to fraction form
    558,853.81/838,280.99 = 184,876.81/x
  3. Step 3: Cross multiply
    558,853.81x = 838,280.99 × 184,876.81
  4. Step 4: Simplify right side
    558,853.81x = 154,978,715,314.84
  5. Step 5: Solve for x
    x = 154,978,715,314.84/558,853.81
  6. Step 6: Final answer
    x = 277,315.31

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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.