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Finding the Fourth Proportional to 705,522.70, 973,639.44 and 383,251.24

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Solution

The fourth proportional to 705,522.70, 973,639.44 and 383,251.24 is: 528,896.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,522.70 : 973,639.44 = 383,251.24 : x
  2. Step 2: Convert to fraction form
    705,522.70/973,639.44 = 383,251.24/x
  3. Step 3: Cross multiply
    705,522.70x = 973,639.44 × 383,251.24
  4. Step 4: Simplify right side
    705,522.70x = 373,148,520,776.65
  5. Step 5: Solve for x
    x = 373,148,520,776.65/705,522.70
  6. Step 6: Final answer
    x = 528,896.55

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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.