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Finding the Fourth Proportional to 353,143.80, 529,715.70 and 246,855.60

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Solution

The fourth proportional to 353,143.80, 529,715.70 and 246,855.60 is: 370,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,143.80 : 529,715.70 = 246,855.60 : x
  2. Step 2: Convert to fraction form
    353,143.80/529,715.70 = 246,855.60/x
  3. Step 3: Cross multiply
    353,143.80x = 529,715.70 × 246,855.60
  4. Step 4: Simplify right side
    353,143.80x = 130,763,286,952.92
  5. Step 5: Solve for x
    x = 130,763,286,952.92/353,143.80
  6. Step 6: Final answer
    x = 370,283.40

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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.