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Finding the Fourth Proportional to 431,066.96, 594,890.80 and 240,080.36

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Solution

The fourth proportional to 431,066.96, 594,890.80 and 240,080.36 is: 331,321.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,066.96 : 594,890.80 = 240,080.36 : x
  2. Step 2: Convert to fraction form
    431,066.96/594,890.80 = 240,080.36/x
  3. Step 3: Cross multiply
    431,066.96x = 594,890.80 × 240,080.36
  4. Step 4: Simplify right side
    431,066.96x = 142,821,597,424.69
  5. Step 5: Solve for x
    x = 142,821,597,424.69/431,066.96
  6. Step 6: Final answer
    x = 331,321.14

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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.