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Finding the Fourth Proportional to 264,556.79, 365,091.12 and 143,700.43

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Solution

The fourth proportional to 264,556.79, 365,091.12 and 143,700.43 is: 198,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,556.79 : 365,091.12 = 143,700.43 : x
  2. Step 2: Convert to fraction form
    264,556.79/365,091.12 = 143,700.43/x
  3. Step 3: Cross multiply
    264,556.79x = 365,091.12 × 143,700.43
  4. Step 4: Simplify right side
    264,556.79x = 52,463,748,389.22
  5. Step 5: Solve for x
    x = 52,463,748,389.22/264,556.79
  6. Step 6: Final answer
    x = 198,308.08

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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.