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Finding the Fourth Proportional to 602,915.57, 903,685.39 and 242,855.85

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Solution

The fourth proportional to 602,915.57, 903,685.39 and 242,855.85 is: 364,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,915.57 : 903,685.39 = 242,855.85 : x
  2. Step 2: Convert to fraction form
    602,915.57/903,685.39 = 242,855.85/x
  3. Step 3: Cross multiply
    602,915.57x = 903,685.39 × 242,855.85
  4. Step 4: Simplify right side
    602,915.57x = 219,465,287,668.78
  5. Step 5: Solve for x
    x = 219,465,287,668.78/602,915.57
  6. Step 6: Final answer
    x = 364,006.67

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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.