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Finding the Fourth Proportional to 552,486.97, 828,730.47 and 365,454.73

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Solution

The fourth proportional to 552,486.97, 828,730.47 and 365,454.73 is: 548,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,486.97 : 828,730.47 = 365,454.73 : x
  2. Step 2: Convert to fraction form
    552,486.97/828,730.47 = 365,454.73/x
  3. Step 3: Cross multiply
    552,486.97x = 828,730.47 × 365,454.73
  4. Step 4: Simplify right side
    552,486.97x = 302,863,470,156.62
  5. Step 5: Solve for x
    x = 302,863,470,156.62/552,486.97
  6. Step 6: Final answer
    x = 548,182.10

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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.