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Finding the Fourth Proportional to 294,779.60, 406,680.36 and 181,405.52

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Solution

The fourth proportional to 294,779.60, 406,680.36 and 181,405.52 is: 250,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,779.60 : 406,680.36 = 181,405.52 : x
  2. Step 2: Convert to fraction form
    294,779.60/406,680.36 = 181,405.52/x
  3. Step 3: Cross multiply
    294,779.60x = 406,680.36 × 181,405.52
  4. Step 4: Simplify right side
    294,779.60x = 73,774,062,179.59
  5. Step 5: Solve for x
    x = 73,774,062,179.59/294,779.60
  6. Step 6: Final answer
    x = 250,268.55

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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.