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Finding the Fourth Proportional to 561,045.82, 841,325.25 and 308,250.49

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Solution

The fourth proportional to 561,045.82, 841,325.25 and 308,250.49 is: 462,241.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,045.82 : 841,325.25 = 308,250.49 : x
  2. Step 2: Convert to fraction form
    561,045.82/841,325.25 = 308,250.49/x
  3. Step 3: Cross multiply
    561,045.82x = 841,325.25 × 308,250.49
  4. Step 4: Simplify right side
    561,045.82x = 259,338,923,435.81
  5. Step 5: Solve for x
    x = 259,338,923,435.81/561,045.82
  6. Step 6: Final answer
    x = 462,241.96

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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.