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Finding the Fourth Proportional to 443,099, 611,473.51 and 241,895

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Solution

The fourth proportional to 443,099, 611,473.51 and 241,895 is: 333,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,099 : 611,473.51 = 241,895 : x
  2. Step 2: Convert to fraction form
    443,099/611,473.51 = 241,895/x
  3. Step 3: Cross multiply
    443,099x = 611,473.51 × 241,895
  4. Step 4: Simplify right side
    443,099x = 147,912,384,701.45
  5. Step 5: Solve for x
    x = 147,912,384,701.45/443,099
  6. Step 6: Final answer
    x = 333,813.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.