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Finding the Fourth Proportional to 468,531.20, 702,928.08 and 188,245.28

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Solution

The fourth proportional to 468,531.20, 702,928.08 and 188,245.28 is: 282,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,531.20 : 702,928.08 = 188,245.28 : x
  2. Step 2: Convert to fraction form
    468,531.20/702,928.08 = 188,245.28/x
  3. Step 3: Cross multiply
    468,531.20x = 702,928.08 × 188,245.28
  4. Step 4: Simplify right side
    468,531.20x = 132,322,893,239.46
  5. Step 5: Solve for x
    x = 132,322,893,239.46/468,531.20
  6. Step 6: Final answer
    x = 282,420.67

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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.