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Finding the Fourth Proportional to 303,950.55, 455,935.06 and 104,268.06

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Solution

The fourth proportional to 303,950.55, 455,935.06 and 104,268.06 is: 156,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,950.55 : 455,935.06 = 104,268.06 : x
  2. Step 2: Convert to fraction form
    303,950.55/455,935.06 = 104,268.06/x
  3. Step 3: Cross multiply
    303,950.55x = 455,935.06 × 104,268.06
  4. Step 4: Simplify right side
    303,950.55x = 47,539,464,322.52
  5. Step 5: Solve for x
    x = 47,539,464,322.52/303,950.55
  6. Step 6: Final answer
    x = 156,405.26

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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.