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Finding the Fourth Proportional to 604,231.64, 833,880.42 and 399,930.56

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Solution

The fourth proportional to 604,231.64, 833,880.42 and 399,930.56 is: 551,931.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,231.64 : 833,880.42 = 399,930.56 : x
  2. Step 2: Convert to fraction form
    604,231.64/833,880.42 = 399,930.56/x
  3. Step 3: Cross multiply
    604,231.64x = 833,880.42 × 399,930.56
  4. Step 4: Simplify right side
    604,231.64x = 333,494,263,343.64
  5. Step 5: Solve for x
    x = 333,494,263,343.64/604,231.64
  6. Step 6: Final answer
    x = 551,931.15

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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.