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Finding the Fourth Proportional to 477,647.96, 659,154.15 and 262,783.41

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Solution

The fourth proportional to 477,647.96, 659,154.15 and 262,783.41 is: 362,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,647.96 : 659,154.15 = 262,783.41 : x
  2. Step 2: Convert to fraction form
    477,647.96/659,154.15 = 262,783.41/x
  3. Step 3: Cross multiply
    477,647.96x = 659,154.15 × 262,783.41
  4. Step 4: Simplify right side
    477,647.96x = 173,214,775,252.65
  5. Step 5: Solve for x
    x = 173,214,775,252.65/477,647.96
  6. Step 6: Final answer
    x = 362,641.09

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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.