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Finding the Fourth Proportional to 365,220.40, 547,571.40 and 165,636.40

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Solution

The fourth proportional to 365,220.40, 547,571.40 and 165,636.40 is: 248,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,220.40 : 547,571.40 = 165,636.40 : x
  2. Step 2: Convert to fraction form
    365,220.40/547,571.40 = 165,636.40/x
  3. Step 3: Cross multiply
    365,220.40x = 547,571.40 × 165,636.40
  4. Step 4: Simplify right side
    365,220.40x = 90,697,755,438.96
  5. Step 5: Solve for x
    x = 90,697,755,438.96/365,220.40
  6. Step 6: Final answer
    x = 248,337.05

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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.