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Finding the Fourth Proportional to 453,059.31, 678,110.28 and 333,084.54

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Solution

The fourth proportional to 453,059.31, 678,110.28 and 333,084.54 is: 498,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,059.31 : 678,110.28 = 333,084.54 : x
  2. Step 2: Convert to fraction form
    453,059.31/678,110.28 = 333,084.54/x
  3. Step 3: Cross multiply
    453,059.31x = 678,110.28 × 333,084.54
  4. Step 4: Simplify right side
    453,059.31x = 225,868,050,683.07
  5. Step 5: Solve for x
    x = 225,868,050,683.07/453,059.31
  6. Step 6: Final answer
    x = 498,539.70

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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.