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Finding the Fourth Proportional to 594,428.92, 891,711.04 and 215,528.09

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Solution

The fourth proportional to 594,428.92, 891,711.04 and 215,528.09 is: 323,316.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,428.92 : 891,711.04 = 215,528.09 : x
  2. Step 2: Convert to fraction form
    594,428.92/891,711.04 = 215,528.09/x
  3. Step 3: Cross multiply
    594,428.92x = 891,711.04 × 215,528.09
  4. Step 4: Simplify right side
    594,428.92x = 192,188,777,283.11
  5. Step 5: Solve for x
    x = 192,188,777,283.11/594,428.92
  6. Step 6: Final answer
    x = 323,316.67

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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.