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Finding the Fourth Proportional to 694,718.94, 958,712.14 and 376,766.94

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Solution

The fourth proportional to 694,718.94, 958,712.14 and 376,766.94 is: 519,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,718.94 : 958,712.14 = 376,766.94 : x
  2. Step 2: Convert to fraction form
    694,718.94/958,712.14 = 376,766.94/x
  3. Step 3: Cross multiply
    694,718.94x = 958,712.14 × 376,766.94
  4. Step 4: Simplify right side
    694,718.94x = 361,211,035,048.04
  5. Step 5: Solve for x
    x = 361,211,035,048.04/694,718.94
  6. Step 6: Final answer
    x = 519,938.37

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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.