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Finding the Fourth Proportional to 671,373, 1,007,059.32 and 250,681.68

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Solution

The fourth proportional to 671,373, 1,007,059.32 and 250,681.68 is: 376,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,373 : 1,007,059.32 = 250,681.68 : x
  2. Step 2: Convert to fraction form
    671,373/1,007,059.32 = 250,681.68/x
  3. Step 3: Cross multiply
    671,373x = 1,007,059.32 × 250,681.68
  4. Step 4: Simplify right side
    671,373x = 252,451,322,197.26
  5. Step 5: Solve for x
    x = 252,451,322,197.26/671,373
  6. Step 6: Final answer
    x = 376,022.45

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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.