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Finding the Fourth Proportional to 362,556.80, 543,835.20 and 359,932.40

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Solution

The fourth proportional to 362,556.80, 543,835.20 and 359,932.40 is: 539,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,556.80 : 543,835.20 = 359,932.40 : x
  2. Step 2: Convert to fraction form
    362,556.80/543,835.20 = 359,932.40/x
  3. Step 3: Cross multiply
    362,556.80x = 543,835.20 × 359,932.40
  4. Step 4: Simplify right side
    362,556.80x = 195,743,908,740.48
  5. Step 5: Solve for x
    x = 195,743,908,740.48/362,556.80
  6. Step 6: Final answer
    x = 539,898.60

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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.