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Finding the Fourth Proportional to 286,674.69, 427,593.26 and 248,938.01

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Solution

The fourth proportional to 286,674.69, 427,593.26 and 248,938.01 is: 371,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,674.69 : 427,593.26 = 248,938.01 : x
  2. Step 2: Convert to fraction form
    286,674.69/427,593.26 = 248,938.01/x
  3. Step 3: Cross multiply
    286,674.69x = 427,593.26 × 248,938.01
  4. Step 4: Simplify right side
    286,674.69x = 106,444,215,233.81
  5. Step 5: Solve for x
    x = 106,444,215,233.81/286,674.69
  6. Step 6: Final answer
    x = 371,306.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.