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Finding the Fourth Proportional to 631,594.44, 871,500.60 and 359,509.86

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Solution

The fourth proportional to 631,594.44, 871,500.60 and 359,509.86 is: 496,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,594.44 : 871,500.60 = 359,509.86 : x
  2. Step 2: Convert to fraction form
    631,594.44/871,500.60 = 359,509.86/x
  3. Step 3: Cross multiply
    631,594.44x = 871,500.60 × 359,509.86
  4. Step 4: Simplify right side
    631,594.44x = 313,313,058,695.92
  5. Step 5: Solve for x
    x = 313,313,058,695.92/631,594.44
  6. Step 6: Final answer
    x = 496,066.84

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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.