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Finding the Fourth Proportional to 613,387.11, 846,414.84 and 452,328.87

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Solution

The fourth proportional to 613,387.11, 846,414.84 and 452,328.87 is: 624,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,387.11 : 846,414.84 = 452,328.87 : x
  2. Step 2: Convert to fraction form
    613,387.11/846,414.84 = 452,328.87/x
  3. Step 3: Cross multiply
    613,387.11x = 846,414.84 × 452,328.87
  4. Step 4: Simplify right side
    613,387.11x = 382,857,868,128.43
  5. Step 5: Solve for x
    x = 382,857,868,128.43/613,387.11
  6. Step 6: Final answer
    x = 624,170.06

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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.