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Finding the Fourth Proportional to 365,533.70, 548,300.55 and 155,144.30

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Solution

The fourth proportional to 365,533.70, 548,300.55 and 155,144.30 is: 232,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,533.70 : 548,300.55 = 155,144.30 : x
  2. Step 2: Convert to fraction form
    365,533.70/548,300.55 = 155,144.30/x
  3. Step 3: Cross multiply
    365,533.70x = 548,300.55 × 155,144.30
  4. Step 4: Simplify right side
    365,533.70x = 85,065,705,019.37
  5. Step 5: Solve for x
    x = 85,065,705,019.37/365,533.70
  6. Step 6: Final answer
    x = 232,716.45

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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.