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Finding the Fourth Proportional to 705,614.58, 973,756.44 and 383,329.77

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Solution

The fourth proportional to 705,614.58, 973,756.44 and 383,329.77 is: 528,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,614.58 : 973,756.44 = 383,329.77 : x
  2. Step 2: Convert to fraction form
    705,614.58/973,756.44 = 383,329.77/x
  3. Step 3: Cross multiply
    705,614.58x = 973,756.44 × 383,329.77
  4. Step 4: Simplify right side
    705,614.58x = 373,269,832,181.22
  5. Step 5: Solve for x
    x = 373,269,832,181.22/705,614.58
  6. Step 6: Final answer
    x = 528,999.60

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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.