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Finding the Fourth Proportional to 705,539.37, 973,649.43 and 383,249.58

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Solution

The fourth proportional to 705,539.37, 973,649.43 and 383,249.58 is: 528,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,539.37 : 973,649.43 = 383,249.58 : x
  2. Step 2: Convert to fraction form
    705,539.37/973,649.43 = 383,249.58/x
  3. Step 3: Cross multiply
    705,539.37x = 973,649.43 × 383,249.58
  4. Step 4: Simplify right side
    705,539.37x = 373,150,735,114.74
  5. Step 5: Solve for x
    x = 373,150,735,114.74/705,539.37
  6. Step 6: Final answer
    x = 528,887.19

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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.