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Finding the Fourth Proportional to 289,895.44, 399,885.80 and 182,294.80

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Solution

The fourth proportional to 289,895.44, 399,885.80 and 182,294.80 is: 251,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,895.44 : 399,885.80 = 182,294.80 : x
  2. Step 2: Convert to fraction form
    289,895.44/399,885.80 = 182,294.80/x
  3. Step 3: Cross multiply
    289,895.44x = 399,885.80 × 182,294.80
  4. Step 4: Simplify right side
    289,895.44x = 72,897,101,933.84
  5. Step 5: Solve for x
    x = 72,897,101,933.84/289,895.44
  6. Step 6: Final answer
    x = 251,459.98

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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.