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Finding the Fourth Proportional to 444,284.57, 612,475.01 and 316,738.73

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Solution

The fourth proportional to 444,284.57, 612,475.01 and 316,738.73 is: 436,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,284.57 : 612,475.01 = 316,738.73 : x
  2. Step 2: Convert to fraction form
    444,284.57/612,475.01 = 316,738.73/x
  3. Step 3: Cross multiply
    444,284.57x = 612,475.01 × 316,738.73
  4. Step 4: Simplify right side
    444,284.57x = 193,994,552,178.07
  5. Step 5: Solve for x
    x = 193,994,552,178.07/444,284.57
  6. Step 6: Final answer
    x = 436,644.82

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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.