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Finding the Fourth Proportional to 441,644.88, 609,470 and 240,440.88

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Solution

The fourth proportional to 441,644.88, 609,470 and 240,440.88 is: 331,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,644.88 : 609,470 = 240,440.88 : x
  2. Step 2: Convert to fraction form
    441,644.88/609,470 = 240,440.88/x
  3. Step 3: Cross multiply
    441,644.88x = 609,470 × 240,440.88
  4. Step 4: Simplify right side
    441,644.88x = 146,541,503,133.60
  5. Step 5: Solve for x
    x = 146,541,503,133.60/441,644.88
  6. Step 6: Final answer
    x = 331,808.45

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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.