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Finding the Fourth Proportional to 705,614.60, 973,744.26 and 383,322.12

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Solution

The fourth proportional to 705,614.60, 973,744.26 and 383,322.12 is: 528,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,614.60 : 973,744.26 = 383,322.12 : x
  2. Step 2: Convert to fraction form
    705,614.60/973,744.26 = 383,322.12/x
  3. Step 3: Cross multiply
    705,614.60x = 973,744.26 × 383,322.12
  4. Step 4: Simplify right side
    705,614.60x = 373,257,714,081.03
  5. Step 5: Solve for x
    x = 373,257,714,081.03/705,614.60
  6. Step 6: Final answer
    x = 528,982.41

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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.