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Finding the Fourth Proportional to 521,774.44, 720,051.42 and 295,464.04

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Solution

The fourth proportional to 521,774.44, 720,051.42 and 295,464.04 is: 407,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,774.44 : 720,051.42 = 295,464.04 : x
  2. Step 2: Convert to fraction form
    521,774.44/720,051.42 = 295,464.04/x
  3. Step 3: Cross multiply
    521,774.44x = 720,051.42 × 295,464.04
  4. Step 4: Simplify right side
    521,774.44x = 212,749,301,560.94
  5. Step 5: Solve for x
    x = 212,749,301,560.94/521,774.44
  6. Step 6: Final answer
    x = 407,741.90

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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.