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Finding the Fourth Proportional to 714,694.73, 986,740.29 and 443,052.92

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Solution

The fourth proportional to 714,694.73, 986,740.29 and 443,052.92 is: 611,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,694.73 : 986,740.29 = 443,052.92 : x
  2. Step 2: Convert to fraction form
    714,694.73/986,740.29 = 443,052.92/x
  3. Step 3: Cross multiply
    714,694.73x = 986,740.29 × 443,052.92
  4. Step 4: Simplify right side
    714,694.73x = 437,178,166,766.15
  5. Step 5: Solve for x
    x = 437,178,166,766.15/714,694.73
  6. Step 6: Final answer
    x = 611,699.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.