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Finding the Fourth Proportional to 509,600.80, 764,554.80 and 273,056.80

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Solution

The fourth proportional to 509,600.80, 764,554.80 and 273,056.80 is: 409,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,600.80 : 764,554.80 = 273,056.80 : x
  2. Step 2: Convert to fraction form
    509,600.80/764,554.80 = 273,056.80/x
  3. Step 3: Cross multiply
    509,600.80x = 764,554.80 × 273,056.80
  4. Step 4: Simplify right side
    509,600.80x = 208,766,887,112.64
  5. Step 5: Solve for x
    x = 208,766,887,112.64/509,600.80
  6. Step 6: Final answer
    x = 409,667.50

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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.