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Finding the Fourth Proportional to 619,497.72, 927,919.80 and 303,296.40

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Solution

The fourth proportional to 619,497.72, 927,919.80 and 303,296.40 is: 454,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,497.72 : 927,919.80 = 303,296.40 : x
  2. Step 2: Convert to fraction form
    619,497.72/927,919.80 = 303,296.40/x
  3. Step 3: Cross multiply
    619,497.72x = 927,919.80 × 303,296.40
  4. Step 4: Simplify right side
    619,497.72x = 281,434,734,828.72
  5. Step 5: Solve for x
    x = 281,434,734,828.72/619,497.72
  6. Step 6: Final answer
    x = 454,295.03

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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.