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Finding the Fourth Proportional to 594,428.18, 891,709.92 and 215,527.34

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Solution

The fourth proportional to 594,428.18, 891,709.92 and 215,527.34 is: 323,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,428.18 : 891,709.92 = 215,527.34 : x
  2. Step 2: Convert to fraction form
    594,428.18/891,709.92 = 215,527.34/x
  3. Step 3: Cross multiply
    594,428.18x = 891,709.92 × 215,527.34
  4. Step 4: Simplify right side
    594,428.18x = 192,187,869,338.49
  5. Step 5: Solve for x
    x = 192,187,869,338.49/594,428.18
  6. Step 6: Final answer
    x = 323,315.54

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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.