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Finding the Fourth Proportional to 545,362.06, 818,084.09 and 145,993.98

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Solution

The fourth proportional to 545,362.06, 818,084.09 and 145,993.98 is: 219,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,362.06 : 818,084.09 = 145,993.98 : x
  2. Step 2: Convert to fraction form
    545,362.06/818,084.09 = 145,993.98/x
  3. Step 3: Cross multiply
    545,362.06x = 818,084.09 × 145,993.98
  4. Step 4: Simplify right side
    545,362.06x = 119,435,352,273.78
  5. Step 5: Solve for x
    x = 119,435,352,273.78/545,362.06
  6. Step 6: Final answer
    x = 219,001.95

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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.