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Finding the Fourth Proportional to 705,951.33, 974,220.30 and 383,661.42

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Solution

The fourth proportional to 705,951.33, 974,220.30 and 383,661.42 is: 529,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,951.33 : 974,220.30 = 383,661.42 : x
  2. Step 2: Convert to fraction form
    705,951.33/974,220.30 = 383,661.42/x
  3. Step 3: Cross multiply
    705,951.33x = 974,220.30 × 383,661.42
  4. Step 4: Simplify right side
    705,951.33x = 373,770,743,690.83
  5. Step 5: Solve for x
    x = 373,770,743,690.83/705,951.33
  6. Step 6: Final answer
    x = 529,456.82

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Double scale
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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.