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Finding the Fourth Proportional to 586,129.36, 879,184.42 and 186,764.73

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Solution

The fourth proportional to 586,129.36, 879,184.42 and 186,764.73 is: 280,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,129.36 : 879,184.42 = 186,764.73 : x
  2. Step 2: Convert to fraction form
    586,129.36/879,184.42 = 186,764.73/x
  3. Step 3: Cross multiply
    586,129.36x = 879,184.42 × 186,764.73
  4. Step 4: Simplify right side
    586,129.36x = 164,200,640,821.51
  5. Step 5: Solve for x
    x = 164,200,640,821.51/586,129.36
  6. Step 6: Final answer
    x = 280,144.03

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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.