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Finding the Fourth Proportional to 674,204.33, 930,405.15 and 368,284.95

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Solution

The fourth proportional to 674,204.33, 930,405.15 and 368,284.95 is: 508,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,204.33 : 930,405.15 = 368,284.95 : x
  2. Step 2: Convert to fraction form
    674,204.33/930,405.15 = 368,284.95/x
  3. Step 3: Cross multiply
    674,204.33x = 930,405.15 × 368,284.95
  4. Step 4: Simplify right side
    674,204.33x = 342,654,214,147.49
  5. Step 5: Solve for x
    x = 342,654,214,147.49/674,204.33
  6. Step 6: Final answer
    x = 508,234.96

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1.5x scale

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.