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Finding the Fourth Proportional to 704,907.64, 972,773.22 and 382,617.64

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Solution

The fourth proportional to 704,907.64, 972,773.22 and 382,617.64 is: 528,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,907.64 : 972,773.22 = 382,617.64 : x
  2. Step 2: Convert to fraction form
    704,907.64/972,773.22 = 382,617.64/x
  3. Step 3: Cross multiply
    704,907.64x = 972,773.22 × 382,617.64
  4. Step 4: Simplify right side
    704,907.64x = 372,200,193,691.60
  5. Step 5: Solve for x
    x = 372,200,193,691.60/704,907.64
  6. Step 6: Final answer
    x = 528,012.71

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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.