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Finding the Fourth Proportional to 403,779.33, 604,892.81 and 225,746.43

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Solution

The fourth proportional to 403,779.33, 604,892.81 and 225,746.43 is: 338,185.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,779.33 : 604,892.81 = 225,746.43 : x
  2. Step 2: Convert to fraction form
    403,779.33/604,892.81 = 225,746.43/x
  3. Step 3: Cross multiply
    403,779.33x = 604,892.81 × 225,746.43
  4. Step 4: Simplify right side
    403,779.33x = 136,552,391,261.44
  5. Step 5: Solve for x
    x = 136,552,391,261.44/403,779.33
  6. Step 6: Final answer
    x = 338,185.69

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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.