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Finding the Fourth Proportional to 540,583.80, 810,185.58 and 256,273.80

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Solution

The fourth proportional to 540,583.80, 810,185.58 and 256,273.80 is: 384,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,583.80 : 810,185.58 = 256,273.80 : x
  2. Step 2: Convert to fraction form
    540,583.80/810,185.58 = 256,273.80/x
  3. Step 3: Cross multiply
    540,583.80x = 810,185.58 × 256,273.80
  4. Step 4: Simplify right side
    540,583.80x = 207,629,337,291.80
  5. Step 5: Solve for x
    x = 207,629,337,291.80/540,583.80
  6. Step 6: Final answer
    x = 384,083.54

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Similar ratio
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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.