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Finding the Fourth Proportional to 477,740.53, 659,286.62 and 262,885.22

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Solution

The fourth proportional to 477,740.53, 659,286.62 and 262,885.22 is: 362,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,740.53 : 659,286.62 = 262,885.22 : x
  2. Step 2: Convert to fraction form
    477,740.53/659,286.62 = 262,885.22/x
  3. Step 3: Cross multiply
    477,740.53x = 659,286.62 × 262,885.22
  4. Step 4: Simplify right side
    477,740.53x = 173,316,708,103.92
  5. Step 5: Solve for x
    x = 173,316,708,103.92/477,740.53
  6. Step 6: Final answer
    x = 362,784.18

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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.