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Finding the Fourth Proportional to 601,768.53, 830,525.65 and 372,399.69

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Solution

The fourth proportional to 601,768.53, 830,525.65 and 372,399.69 is: 513,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,768.53 : 830,525.65 = 372,399.69 : x
  2. Step 2: Convert to fraction form
    601,768.53/830,525.65 = 372,399.69/x
  3. Step 3: Cross multiply
    601,768.53x = 830,525.65 × 372,399.69
  4. Step 4: Simplify right side
    601,768.53x = 309,287,492,735.05
  5. Step 5: Solve for x
    x = 309,287,492,735.05/601,768.53
  6. Step 6: Final answer
    x = 513,964.22

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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.