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Finding the Fourth Proportional to 674,353.42, 930,672.06 and 368,476.27

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Solution

The fourth proportional to 674,353.42, 930,672.06 and 368,476.27 is: 508,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,353.42 : 930,672.06 = 368,476.27 : x
  2. Step 2: Convert to fraction form
    674,353.42/930,672.06 = 368,476.27/x
  3. Step 3: Cross multiply
    674,353.42x = 930,672.06 × 368,476.27
  4. Step 4: Simplify right side
    674,353.42x = 342,930,569,262.02
  5. Step 5: Solve for x
    x = 342,930,569,262.02/674,353.42
  6. Step 6: Final answer
    x = 508,532.41

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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.