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Finding the Fourth Proportional to 443,556.94, 612,114.42 and 252,571.09

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Solution

The fourth proportional to 443,556.94, 612,114.42 and 252,571.09 is: 348,551.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,556.94 : 612,114.42 = 252,571.09 : x
  2. Step 2: Convert to fraction form
    443,556.94/612,114.42 = 252,571.09/x
  3. Step 3: Cross multiply
    443,556.94x = 612,114.42 × 252,571.09
  4. Step 4: Simplify right side
    443,556.94x = 154,602,406,264.12
  5. Step 5: Solve for x
    x = 154,602,406,264.12/443,556.94
  6. Step 6: Final answer
    x = 348,551.43

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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.