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Finding the Fourth Proportional to 477,798.45, 659,361.95 and 262,938.51

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Solution

The fourth proportional to 477,798.45, 659,361.95 and 262,938.51 is: 362,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,798.45 : 659,361.95 = 262,938.51 : x
  2. Step 2: Convert to fraction form
    477,798.45/659,361.95 = 262,938.51/x
  3. Step 3: Cross multiply
    477,798.45x = 659,361.95 × 262,938.51
  4. Step 4: Simplify right side
    477,798.45x = 173,371,649,743.03
  5. Step 5: Solve for x
    x = 173,371,649,743.03/477,798.45
  6. Step 6: Final answer
    x = 362,855.20

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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.