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Finding the Fourth Proportional to 554,253.70, 764,473.22 and 360,299.60

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Solution

The fourth proportional to 554,253.70, 764,473.22 and 360,299.60 is: 496,955.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,253.70 : 764,473.22 = 360,299.60 : x
  2. Step 2: Convert to fraction form
    554,253.70/764,473.22 = 360,299.60/x
  3. Step 3: Cross multiply
    554,253.70x = 764,473.22 × 360,299.60
  4. Step 4: Simplify right side
    554,253.70x = 275,439,393,575.21
  5. Step 5: Solve for x
    x = 275,439,393,575.21/554,253.70
  6. Step 6: Final answer
    x = 496,955.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.