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Finding the Fourth Proportional to 477,907.62, 659,507.28 and 263,043.06

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Solution

The fourth proportional to 477,907.62, 659,507.28 and 263,043.06 is: 362,996.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,907.62 : 659,507.28 = 263,043.06 : x
  2. Step 2: Convert to fraction form
    477,907.62/659,507.28 = 263,043.06/x
  3. Step 3: Cross multiply
    477,907.62x = 659,507.28 × 263,043.06
  4. Step 4: Simplify right side
    477,907.62x = 173,478,813,023.48
  5. Step 5: Solve for x
    x = 173,478,813,023.48/477,907.62
  6. Step 6: Final answer
    x = 362,996.54

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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.