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Finding the Fourth Proportional to 365,073.60, 547,610.40 and 264,763.20

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Solution

The fourth proportional to 365,073.60, 547,610.40 and 264,763.20 is: 397,144.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,073.60 : 547,610.40 = 264,763.20 : x
  2. Step 2: Convert to fraction form
    365,073.60/547,610.40 = 264,763.20/x
  3. Step 3: Cross multiply
    365,073.60x = 547,610.40 × 264,763.20
  4. Step 4: Simplify right side
    365,073.60x = 144,987,081,857.28
  5. Step 5: Solve for x
    x = 144,987,081,857.28/365,073.60
  6. Step 6: Final answer
    x = 397,144.80

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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.