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Finding the Fourth Proportional to 586,174.40, 879,245.12 and 186,839.12

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Solution

The fourth proportional to 586,174.40, 879,245.12 and 186,839.12 is: 280,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,174.40 : 879,245.12 = 186,839.12 : x
  2. Step 2: Convert to fraction form
    586,174.40/879,245.12 = 186,839.12/x
  3. Step 3: Cross multiply
    586,174.40x = 879,245.12 × 186,839.12
  4. Step 4: Simplify right side
    586,174.40x = 164,277,384,485.09
  5. Step 5: Solve for x
    x = 164,277,384,485.09/586,174.40
  6. Step 6: Final answer
    x = 280,253.43

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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.