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Finding the Fourth Proportional to 339,533.70, 468,235.32 and 223,041.50

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Solution

The fourth proportional to 339,533.70, 468,235.32 and 223,041.50 is: 307,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,533.70 : 468,235.32 = 223,041.50 : x
  2. Step 2: Convert to fraction form
    339,533.70/468,235.32 = 223,041.50/x
  3. Step 3: Cross multiply
    339,533.70x = 468,235.32 × 223,041.50
  4. Step 4: Simplify right side
    339,533.70x = 104,435,908,125.78
  5. Step 5: Solve for x
    x = 104,435,908,125.78/339,533.70
  6. Step 6: Final answer
    x = 307,586.28

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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.