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Finding the Fourth Proportional to 552,408.60, 828,710.10 and 197,628.60

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Solution

The fourth proportional to 552,408.60, 828,710.10 and 197,628.60 is: 296,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,408.60 : 828,710.10 = 197,628.60 : x
  2. Step 2: Convert to fraction form
    552,408.60/828,710.10 = 197,628.60/x
  3. Step 3: Cross multiply
    552,408.60x = 828,710.10 × 197,628.60
  4. Step 4: Simplify right side
    552,408.60x = 163,776,816,868.86
  5. Step 5: Solve for x
    x = 163,776,816,868.86/552,408.60
  6. Step 6: Final answer
    x = 296,477.67

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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.