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Finding the Fourth Proportional to 694,728.46, 958,725.25 and 376,776.46

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Solution

The fourth proportional to 694,728.46, 958,725.25 and 376,776.46 is: 519,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,728.46 : 958,725.25 = 376,776.46 : x
  2. Step 2: Convert to fraction form
    694,728.46/958,725.25 = 376,776.46/x
  3. Step 3: Cross multiply
    694,728.46x = 958,725.25 × 376,776.46
  4. Step 4: Simplify right side
    694,728.46x = 361,225,105,807.62
  5. Step 5: Solve for x
    x = 361,225,105,807.62/694,728.46
  6. Step 6: Final answer
    x = 519,951.50

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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.