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Finding the Fourth Proportional to 265,314.20, 397,712.10 and 237,320.60

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Solution

The fourth proportional to 265,314.20, 397,712.10 and 237,320.60 is: 355,749.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,314.20 : 397,712.10 = 237,320.60 : x
  2. Step 2: Convert to fraction form
    265,314.20/397,712.10 = 237,320.60/x
  3. Step 3: Cross multiply
    265,314.20x = 397,712.10 × 237,320.60
  4. Step 4: Simplify right side
    265,314.20x = 94,385,274,199.26
  5. Step 5: Solve for x
    x = 94,385,274,199.26/265,314.20
  6. Step 6: Final answer
    x = 355,749.05

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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.