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Finding the Fourth Proportional to 665,054.69, 996,745.50 and 285,526.35

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Solution

The fourth proportional to 665,054.69, 996,745.50 and 285,526.35 is: 427,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,054.69 : 996,745.50 = 285,526.35 : x
  2. Step 2: Convert to fraction form
    665,054.69/996,745.50 = 285,526.35/x
  3. Step 3: Cross multiply
    665,054.69x = 996,745.50 × 285,526.35
  4. Step 4: Simplify right side
    665,054.69x = 284,597,104,493.93
  5. Step 5: Solve for x
    x = 284,597,104,493.93/665,054.69
  6. Step 6: Final answer
    x = 427,930.38

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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.