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Finding the Fourth Proportional to 472,670.42, 709,296 and 248,191.88

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Solution

The fourth proportional to 472,670.42, 709,296 and 248,191.88 is: 372,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,670.42 : 709,296 = 248,191.88 : x
  2. Step 2: Convert to fraction form
    472,670.42/709,296 = 248,191.88/x
  3. Step 3: Cross multiply
    472,670.42x = 709,296 × 248,191.88
  4. Step 4: Simplify right side
    472,670.42x = 176,041,507,716.48
  5. Step 5: Solve for x
    x = 176,041,507,716.48/472,670.42
  6. Step 6: Final answer
    x = 372,440.29

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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.