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Finding the Fourth Proportional to 669,696.66, 999,727.92 and 573,896.34

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Solution

The fourth proportional to 669,696.66, 999,727.92 and 573,896.34 is: 856,716.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,696.66 : 999,727.92 = 573,896.34 : x
  2. Step 2: Convert to fraction form
    669,696.66/999,727.92 = 573,896.34/x
  3. Step 3: Cross multiply
    669,696.66x = 999,727.92 × 573,896.34
  4. Step 4: Simplify right side
    669,696.66x = 573,740,194,283.81
  5. Step 5: Solve for x
    x = 573,740,194,283.81/669,696.66
  6. Step 6: Final answer
    x = 856,716.52

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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.