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Finding the Fourth Proportional to 705,523.70, 973,640.82 and 383,252.24

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Solution

The fourth proportional to 705,523.70, 973,640.82 and 383,252.24 is: 528,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,523.70 : 973,640.82 = 383,252.24 : x
  2. Step 2: Convert to fraction form
    705,523.70/973,640.82 = 383,252.24/x
  3. Step 3: Cross multiply
    705,523.70x = 973,640.82 × 383,252.24
  4. Step 4: Simplify right side
    705,523.70x = 373,150,025,220.44
  5. Step 5: Solve for x
    x = 373,150,025,220.44/705,523.70
  6. Step 6: Final answer
    x = 528,897.93

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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.