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Finding the Fourth Proportional to 382,527.84, 527,914.80 and 212,777.76

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Solution

The fourth proportional to 382,527.84, 527,914.80 and 212,777.76 is: 293,647.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,527.84 : 527,914.80 = 212,777.76 : x
  2. Step 2: Convert to fraction form
    382,527.84/527,914.80 = 212,777.76/x
  3. Step 3: Cross multiply
    382,527.84x = 527,914.80 × 212,777.76
  4. Step 4: Simplify right side
    382,527.84x = 112,328,528,614.85
  5. Step 5: Solve for x
    x = 112,328,528,614.85/382,527.84
  6. Step 6: Final answer
    x = 293,647.98

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