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Finding the Fourth Proportional to 674,392.73, 930,650.95 and 368,462.52

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Solution

The fourth proportional to 674,392.73, 930,650.95 and 368,462.52 is: 508,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,392.73 : 930,650.95 = 368,462.52 : x
  2. Step 2: Convert to fraction form
    674,392.73/930,650.95 = 368,462.52/x
  3. Step 3: Cross multiply
    674,392.73x = 930,650.95 × 368,462.52
  4. Step 4: Simplify right side
    674,392.73x = 342,909,996,604.02
  5. Step 5: Solve for x
    x = 342,909,996,604.02/674,392.73
  6. Step 6: Final answer
    x = 508,472.27

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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.