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Finding the Fourth Proportional to 558,757.80, 838,136.70 and 184,780.80

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Solution

The fourth proportional to 558,757.80, 838,136.70 and 184,780.80 is: 277,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,757.80 : 838,136.70 = 184,780.80 : x
  2. Step 2: Convert to fraction form
    558,757.80/838,136.70 = 184,780.80/x
  3. Step 3: Cross multiply
    558,757.80x = 838,136.70 × 184,780.80
  4. Step 4: Simplify right side
    558,757.80x = 154,871,569,935.36
  5. Step 5: Solve for x
    x = 154,871,569,935.36/558,757.80
  6. Step 6: Final answer
    x = 277,171.20

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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.