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Finding the Fourth Proportional to 670,909, 925,854.42 and 369,096.52

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Solution

The fourth proportional to 670,909, 925,854.42 and 369,096.52 is: 509,353.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,909 : 925,854.42 = 369,096.52 : x
  2. Step 2: Convert to fraction form
    670,909/925,854.42 = 369,096.52/x
  3. Step 3: Cross multiply
    670,909x = 925,854.42 × 369,096.52
  4. Step 4: Simplify right side
    670,909x = 341,729,644,448.62
  5. Step 5: Solve for x
    x = 341,729,644,448.62/670,909
  6. Step 6: Final answer
    x = 509,353.20

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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.