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Finding the Fourth Proportional to 318,584.53, 477,816.04 and 93,955.33

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Solution

The fourth proportional to 318,584.53, 477,816.04 and 93,955.33 is: 140,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,584.53 : 477,816.04 = 93,955.33 : x
  2. Step 2: Convert to fraction form
    318,584.53/477,816.04 = 93,955.33/x
  3. Step 3: Cross multiply
    318,584.53x = 477,816.04 × 93,955.33
  4. Step 4: Simplify right side
    318,584.53x = 44,893,363,717.49
  5. Step 5: Solve for x
    x = 44,893,363,717.49/318,584.53
  6. Step 6: Final answer
    x = 140,915.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.