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Finding the Fourth Proportional to 552,443.70, 828,228.15 and 303,125.70

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Solution

The fourth proportional to 552,443.70, 828,228.15 and 303,125.70 is: 454,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,443.70 : 828,228.15 = 303,125.70 : x
  2. Step 2: Convert to fraction form
    552,443.70/828,228.15 = 303,125.70/x
  3. Step 3: Cross multiply
    552,443.70x = 828,228.15 × 303,125.70
  4. Step 4: Simplify right side
    552,443.70x = 251,057,237,728.46
  5. Step 5: Solve for x
    x = 251,057,237,728.46/552,443.70
  6. Step 6: Final answer
    x = 454,448.55

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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.