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Finding the Fourth Proportional to 441,637.31, 609,459.49 and 240,433.31

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Solution

The fourth proportional to 441,637.31, 609,459.49 and 240,433.31 is: 331,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,637.31 : 609,459.49 = 240,433.31 : x
  2. Step 2: Convert to fraction form
    441,637.31/609,459.49 = 240,433.31/x
  3. Step 3: Cross multiply
    441,637.31x = 609,459.49 × 240,433.31
  4. Step 4: Simplify right side
    441,637.31x = 146,534,364,315.80
  5. Step 5: Solve for x
    x = 146,534,364,315.80/441,637.31
  6. Step 6: Final answer
    x = 331,797.97

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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.