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Finding the Fourth Proportional to 674,394.54, 930,653.46 and 368,464.34

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Solution

The fourth proportional to 674,394.54, 930,653.46 and 368,464.34 is: 508,474.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,394.54 : 930,653.46 = 368,464.34 : x
  2. Step 2: Convert to fraction form
    674,394.54/930,653.46 = 368,464.34/x
  3. Step 3: Cross multiply
    674,394.54x = 930,653.46 × 368,464.34
  4. Step 4: Simplify right side
    674,394.54x = 342,912,608,254.35
  5. Step 5: Solve for x
    x = 342,912,608,254.35/674,394.54
  6. Step 6: Final answer
    x = 508,474.77

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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.