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Finding the Fourth Proportional to 431,077.37, 594,905.15 and 240,090.77

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Solution

The fourth proportional to 431,077.37, 594,905.15 and 240,090.77 is: 331,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,077.37 : 594,905.15 = 240,090.77 : x
  2. Step 2: Convert to fraction form
    431,077.37/594,905.15 = 240,090.77/x
  3. Step 3: Cross multiply
    431,077.37x = 594,905.15 × 240,090.77
  4. Step 4: Simplify right side
    431,077.37x = 142,831,237,627.96
  5. Step 5: Solve for x
    x = 142,831,237,627.96/431,077.37
  6. Step 6: Final answer
    x = 331,335.51

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1.5x scale

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.