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Finding the Fourth Proportional to 445,044.84, 663,597.25 and 395,589.48

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Solution

The fourth proportional to 445,044.84, 663,597.25 and 395,589.48 is: 589,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,044.84 : 663,597.25 = 395,589.48 : x
  2. Step 2: Convert to fraction form
    445,044.84/663,597.25 = 395,589.48/x
  3. Step 3: Cross multiply
    445,044.84x = 663,597.25 × 395,589.48
  4. Step 4: Simplify right side
    445,044.84x = 262,512,091,056.93
  5. Step 5: Solve for x
    x = 262,512,091,056.93/445,044.84
  6. Step 6: Final answer
    x = 589,855.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.