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Finding the Fourth Proportional to 670,812.52, 925,735.62 and 369,006.52

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Solution

The fourth proportional to 670,812.52, 925,735.62 and 369,006.52 is: 509,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,812.52 : 925,735.62 = 369,006.52 : x
  2. Step 2: Convert to fraction form
    670,812.52/925,735.62 = 369,006.52/x
  3. Step 3: Cross multiply
    670,812.52x = 925,735.62 × 369,006.52
  4. Step 4: Simplify right side
    670,812.52x = 341,602,479,576.24
  5. Step 5: Solve for x
    x = 341,602,479,576.24/670,812.52
  6. Step 6: Final answer
    x = 509,236.89

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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.