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Finding the Fourth Proportional to 435,706.44, 601,479.68 and 290,753.45

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Solution

The fourth proportional to 435,706.44, 601,479.68 and 290,753.45 is: 401,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,706.44 : 601,479.68 = 290,753.45 : x
  2. Step 2: Convert to fraction form
    435,706.44/601,479.68 = 290,753.45/x
  3. Step 3: Cross multiply
    435,706.44x = 601,479.68 × 290,753.45
  4. Step 4: Simplify right side
    435,706.44x = 174,882,289,859.28
  5. Step 5: Solve for x
    x = 174,882,289,859.28/435,706.44
  6. Step 6: Final answer
    x = 401,376.42

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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.