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Finding the Fourth Proportional to 705,522.45, 973,622.83 and 383,229.93

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Solution

The fourth proportional to 705,522.45, 973,622.83 and 383,229.93 is: 528,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,522.45 : 973,622.83 = 383,229.93 : x
  2. Step 2: Convert to fraction form
    705,522.45/973,622.83 = 383,229.93/x
  3. Step 3: Cross multiply
    705,522.45x = 973,622.83 × 383,229.93
  4. Step 4: Simplify right side
    705,522.45x = 373,121,408,987.30
  5. Step 5: Solve for x
    x = 373,121,408,987.30/705,522.45
  6. Step 6: Final answer
    x = 528,858.31

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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.