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Finding the Fourth Proportional to 441,330.73, 661,996.09 and 125,779.43

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Solution

The fourth proportional to 441,330.73, 661,996.09 and 125,779.43 is: 188,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,330.73 : 661,996.09 = 125,779.43 : x
  2. Step 2: Convert to fraction form
    441,330.73/661,996.09 = 125,779.43/x
  3. Step 3: Cross multiply
    441,330.73x = 661,996.09 × 125,779.43
  4. Step 4: Simplify right side
    441,330.73x = 83,265,492,674.64
  5. Step 5: Solve for x
    x = 83,265,492,674.64/441,330.73
  6. Step 6: Final answer
    x = 188,669.15

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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.