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Finding the Fourth Proportional to 477,655.02, 659,139.42 and 262,789.56

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Solution

The fourth proportional to 477,655.02, 659,139.42 and 262,789.56 is: 362,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,655.02 : 659,139.42 = 262,789.56 : x
  2. Step 2: Convert to fraction form
    477,655.02/659,139.42 = 262,789.56/x
  3. Step 3: Cross multiply
    477,655.02x = 659,139.42 × 262,789.56
  4. Step 4: Simplify right side
    477,655.02x = 173,214,958,160.46
  5. Step 5: Solve for x
    x = 173,214,958,160.46/477,655.02
  6. Step 6: Final answer
    x = 362,636.11

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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.