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Finding the Fourth Proportional to 318,577.26, 477,935.01 and 96,955.50

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Solution

The fourth proportional to 318,577.26, 477,935.01 and 96,955.50 is: 145,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,577.26 : 477,935.01 = 96,955.50 : x
  2. Step 2: Convert to fraction form
    318,577.26/477,935.01 = 96,955.50/x
  3. Step 3: Cross multiply
    318,577.26x = 477,935.01 × 96,955.50
  4. Step 4: Simplify right side
    318,577.26x = 46,338,427,862.06
  5. Step 5: Solve for x
    x = 46,338,427,862.06/318,577.26
  6. Step 6: Final answer
    x = 145,454.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.