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Finding the Fourth Proportional to 477,791.54, 659,352.42 and 262,931.60

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Solution

The fourth proportional to 477,791.54, 659,352.42 and 262,931.60 is: 362,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,791.54 : 659,352.42 = 262,931.60 : x
  2. Step 2: Convert to fraction form
    477,791.54/659,352.42 = 262,931.60/x
  3. Step 3: Cross multiply
    477,791.54x = 659,352.42 × 262,931.60
  4. Step 4: Simplify right side
    477,791.54x = 173,364,583,457.71
  5. Step 5: Solve for x
    x = 173,364,583,457.71/477,791.54
  6. Step 6: Final answer
    x = 362,845.66

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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.