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Finding the Fourth Proportional to 585,364.20, 877,859.44 and 185,911.54

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Solution

The fourth proportional to 585,364.20, 877,859.44 and 185,911.54 is: 278,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,364.20 : 877,859.44 = 185,911.54 : x
  2. Step 2: Convert to fraction form
    585,364.20/877,859.44 = 185,911.54/x
  3. Step 3: Cross multiply
    585,364.20x = 877,859.44 × 185,911.54
  4. Step 4: Simplify right side
    585,364.20x = 163,204,200,393.94
  5. Step 5: Solve for x
    x = 163,204,200,393.94/585,364.20
  6. Step 6: Final answer
    x = 278,807.96

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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.