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Finding the Fourth Proportional to 480,369.54, 662,912.57 and 262,578.51

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Solution

The fourth proportional to 480,369.54, 662,912.57 and 262,578.51 is: 362,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,369.54 : 662,912.57 = 262,578.51 : x
  2. Step 2: Convert to fraction form
    480,369.54/662,912.57 = 262,578.51/x
  3. Step 3: Cross multiply
    480,369.54x = 662,912.57 × 262,578.51
  4. Step 4: Simplify right side
    480,369.54x = 174,066,593,577.98
  5. Step 5: Solve for x
    x = 174,066,593,577.98/480,369.54
  6. Step 6: Final answer
    x = 362,359.76

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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.