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Finding the Fourth Proportional to 956,683.12, 1,320,174 and 526,954

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Solution

The fourth proportional to 956,683.12, 1,320,174 and 526,954 is: 727,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,683.12 : 1,320,174 = 526,954 : x
  2. Step 2: Convert to fraction form
    956,683.12/1,320,174 = 526,954/x
  3. Step 3: Cross multiply
    956,683.12x = 1,320,174 × 526,954
  4. Step 4: Simplify right side
    956,683.12x = 695,670,969,996
  5. Step 5: Solve for x
    x = 695,670,969,996/956,683.12
  6. Step 6: Final answer
    x = 727,169.69

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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.