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Finding the Fourth Proportional to 486,007.49, 670,706.44 and 265,256.84

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Solution

The fourth proportional to 486,007.49, 670,706.44 and 265,256.84 is: 366,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,007.49 : 670,706.44 = 265,256.84 : x
  2. Step 2: Convert to fraction form
    486,007.49/670,706.44 = 265,256.84/x
  3. Step 3: Cross multiply
    486,007.49x = 670,706.44 × 265,256.84
  4. Step 4: Simplify right side
    486,007.49x = 177,909,470,842.05
  5. Step 5: Solve for x
    x = 177,909,470,842.05/486,007.49
  6. Step 6: Final answer
    x = 366,063.23

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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.