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Finding the Fourth Proportional to 615,674.30, 923,603.79 and 216,244.67

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Solution

The fourth proportional to 615,674.30, 923,603.79 and 216,244.67 is: 324,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,674.30 : 923,603.79 = 216,244.67 : x
  2. Step 2: Convert to fraction form
    615,674.30/923,603.79 = 216,244.67/x
  3. Step 3: Cross multiply
    615,674.30x = 923,603.79 × 216,244.67
  4. Step 4: Simplify right side
    615,674.30x = 199,724,396,779.30
  5. Step 5: Solve for x
    x = 199,724,396,779.30/615,674.30
  6. Step 6: Final answer
    x = 324,399.44

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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.