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Finding the Fourth Proportional to 674,394.33, 930,653.17 and 368,464.13

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Solution

The fourth proportional to 674,394.33, 930,653.17 and 368,464.13 is: 508,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,394.33 : 930,653.17 = 368,464.13 : x
  2. Step 2: Convert to fraction form
    674,394.33/930,653.17 = 368,464.13/x
  3. Step 3: Cross multiply
    674,394.33x = 930,653.17 × 368,464.13
  4. Step 4: Simplify right side
    674,394.33x = 342,912,308,531.32
  5. Step 5: Solve for x
    x = 342,912,308,531.32/674,394.33
  6. Step 6: Final answer
    x = 508,474.48

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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.