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Finding the Fourth Proportional to 264,518.80, 365,036.16 and 143,659.60

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Solution

The fourth proportional to 264,518.80, 365,036.16 and 143,659.60 is: 198,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,518.80 : 365,036.16 = 143,659.60 : x
  2. Step 2: Convert to fraction form
    264,518.80/365,036.16 = 143,659.60/x
  3. Step 3: Cross multiply
    264,518.80x = 365,036.16 × 143,659.60
  4. Step 4: Simplify right side
    264,518.80x = 52,440,948,731.14
  5. Step 5: Solve for x
    x = 52,440,948,731.14/264,518.80
  6. Step 6: Final answer
    x = 198,250.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.