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Finding the Fourth Proportional to 352,973.30, 529,373.54 and 165,796.34

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Solution

The fourth proportional to 352,973.30, 529,373.54 and 165,796.34 is: 248,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,973.30 : 529,373.54 = 165,796.34 : x
  2. Step 2: Convert to fraction form
    352,973.30/529,373.54 = 165,796.34/x
  3. Step 3: Cross multiply
    352,973.30x = 529,373.54 × 165,796.34
  4. Step 4: Simplify right side
    352,973.30x = 87,768,193,192.47
  5. Step 5: Solve for x
    x = 87,768,193,192.47/352,973.30
  6. Step 6: Final answer
    x = 248,653.92

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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.