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Finding the Fourth Proportional to 436,927.70, 655,413.15 and 226,975.70

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Solution

The fourth proportional to 436,927.70, 655,413.15 and 226,975.70 is: 340,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,927.70 : 655,413.15 = 226,975.70 : x
  2. Step 2: Convert to fraction form
    436,927.70/655,413.15 = 226,975.70/x
  3. Step 3: Cross multiply
    436,927.70x = 655,413.15 × 226,975.70
  4. Step 4: Simplify right side
    436,927.70x = 148,762,858,510.46
  5. Step 5: Solve for x
    x = 148,762,858,510.46/436,927.70
  6. Step 6: Final answer
    x = 340,474.77

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1.5x scale

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.