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Finding the Fourth Proportional to 572,852, 790,536.20 and 314,745.56

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Solution

The fourth proportional to 572,852, 790,536.20 and 314,745.56 is: 434,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,852 : 790,536.20 = 314,745.56 : x
  2. Step 2: Convert to fraction form
    572,852/790,536.20 = 314,745.56/x
  3. Step 3: Cross multiply
    572,852x = 790,536.20 × 314,745.56
  4. Step 4: Simplify right side
    572,852x = 248,817,758,969.27
  5. Step 5: Solve for x
    x = 248,817,758,969.27/572,852
  6. Step 6: Final answer
    x = 434,349.11

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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.