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Finding the Fourth Proportional to 722,373, 996,872.24 and 416,447.92

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Solution

The fourth proportional to 722,373, 996,872.24 and 416,447.92 is: 574,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,373 : 996,872.24 = 416,447.92 : x
  2. Step 2: Convert to fraction form
    722,373/996,872.24 = 416,447.92/x
  3. Step 3: Cross multiply
    722,373x = 996,872.24 × 416,447.92
  4. Step 4: Simplify right side
    722,373x = 415,145,370,853.74
  5. Step 5: Solve for x
    x = 415,145,370,853.74/722,373
  6. Step 6: Final answer
    x = 574,696.69

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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.