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Finding the Fourth Proportional to 465,005.81, 696,858.90 and 251,313.03

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Solution

The fourth proportional to 465,005.81, 696,858.90 and 251,313.03 is: 376,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,005.81 : 696,858.90 = 251,313.03 : x
  2. Step 2: Convert to fraction form
    465,005.81/696,858.90 = 251,313.03/x
  3. Step 3: Cross multiply
    465,005.81x = 696,858.90 × 251,313.03
  4. Step 4: Simplify right side
    465,005.81x = 175,129,720,699.04
  5. Step 5: Solve for x
    x = 175,129,720,699.04/465,005.81
  6. Step 6: Final answer
    x = 376,618.35

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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.