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Finding the Fourth Proportional to 347,351.60, 521,027.40 and 235,085.60

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Solution

The fourth proportional to 347,351.60, 521,027.40 and 235,085.60 is: 352,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,351.60 : 521,027.40 = 235,085.60 : x
  2. Step 2: Convert to fraction form
    347,351.60/521,027.40 = 235,085.60/x
  3. Step 3: Cross multiply
    347,351.60x = 521,027.40 × 235,085.60
  4. Step 4: Simplify right side
    347,351.60x = 122,486,038,945.44
  5. Step 5: Solve for x
    x = 122,486,038,945.44/347,351.60
  6. Step 6: Final answer
    x = 352,628.40

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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.