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Finding the Fourth Proportional to 365,636.20, 548,627.10 and 155,453.80

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Solution

The fourth proportional to 365,636.20, 548,627.10 and 155,453.80 is: 233,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,636.20 : 548,627.10 = 155,453.80 : x
  2. Step 2: Convert to fraction form
    365,636.20/548,627.10 = 155,453.80/x
  3. Step 3: Cross multiply
    365,636.20x = 548,627.10 × 155,453.80
  4. Step 4: Simplify right side
    365,636.20x = 85,286,167,477.98
  5. Step 5: Solve for x
    x = 85,286,167,477.98/365,636.20
  6. Step 6: Final answer
    x = 233,254.17

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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.