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Finding the Fourth Proportional to 431,063.20, 594,885.60 and 240,076.60

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Solution

The fourth proportional to 431,063.20, 594,885.60 and 240,076.60 is: 331,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,063.20 : 594,885.60 = 240,076.60 : x
  2. Step 2: Convert to fraction form
    431,063.20/594,885.60 = 240,076.60/x
  3. Step 3: Cross multiply
    431,063.20x = 594,885.60 × 240,076.60
  4. Step 4: Simplify right side
    431,063.20x = 142,818,112,236.96
  5. Step 5: Solve for x
    x = 142,818,112,236.96/431,063.20
  6. Step 6: Final answer
    x = 331,315.95

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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.