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Finding the Fourth Proportional to 365,637.20, 548,628.60 and 155,454.80

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Solution

The fourth proportional to 365,637.20, 548,628.60 and 155,454.80 is: 233,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,637.20 : 548,628.60 = 155,454.80 : x
  2. Step 2: Convert to fraction form
    365,637.20/548,628.60 = 155,454.80/x
  3. Step 3: Cross multiply
    365,637.20x = 548,628.60 × 155,454.80
  4. Step 4: Simplify right side
    365,637.20x = 85,286,949,287.28
  5. Step 5: Solve for x
    x = 85,286,949,287.28/365,637.20
  6. Step 6: Final answer
    x = 233,255.67

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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.