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Finding the Fourth Proportional to 714,190.51, 986,044.60 and 442,546.67

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Solution

The fourth proportional to 714,190.51, 986,044.60 and 442,546.67 is: 611,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,190.51 : 986,044.60 = 442,546.67 : x
  2. Step 2: Convert to fraction form
    714,190.51/986,044.60 = 442,546.67/x
  3. Step 3: Cross multiply
    714,190.51x = 986,044.60 × 442,546.67
  4. Step 4: Simplify right side
    714,190.51x = 436,370,754,201.48
  5. Step 5: Solve for x
    x = 436,370,754,201.48/714,190.51
  6. Step 6: Final answer
    x = 611,000.49

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