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Finding the Fourth Proportional to 552,667.20, 828,563.40 and 303,349.20

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Solution

The fourth proportional to 552,667.20, 828,563.40 and 303,349.20 is: 454,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,667.20 : 828,563.40 = 303,349.20 : x
  2. Step 2: Convert to fraction form
    552,667.20/828,563.40 = 303,349.20/x
  3. Step 3: Cross multiply
    552,667.20x = 828,563.40 × 303,349.20
  4. Step 4: Simplify right side
    552,667.20x = 251,344,044,539.28
  5. Step 5: Solve for x
    x = 251,344,044,539.28/552,667.20
  6. Step 6: Final answer
    x = 454,783.72

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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.