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Finding the Fourth Proportional to 585,582.80, 878,461.67 and 186,236.60

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Solution

The fourth proportional to 585,582.80, 878,461.67 and 186,236.60 is: 279,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,582.80 : 878,461.67 = 186,236.60 : x
  2. Step 2: Convert to fraction form
    585,582.80/878,461.67 = 186,236.60/x
  3. Step 3: Cross multiply
    585,582.80x = 878,461.67 × 186,236.60
  4. Step 4: Simplify right side
    585,582.80x = 163,601,710,724.41
  5. Step 5: Solve for x
    x = 163,601,710,724.41/585,582.80
  6. Step 6: Final answer
    x = 279,382.71

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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.