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Finding the Fourth Proportional to 480,297.81, 662,792.49 and 276,414.22

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Solution

The fourth proportional to 480,297.81, 662,792.49 and 276,414.22 is: 381,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,297.81 : 662,792.49 = 276,414.22 : x
  2. Step 2: Convert to fraction form
    480,297.81/662,792.49 = 276,414.22/x
  3. Step 3: Cross multiply
    480,297.81x = 662,792.49 × 276,414.22
  4. Step 4: Simplify right side
    480,297.81x = 183,205,269,145.21
  5. Step 5: Solve for x
    x = 183,205,269,145.21/480,297.81
  6. Step 6: Final answer
    x = 381,440.98

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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.