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Finding the Fourth Proportional to 692,004.56, 954,993.93 and 386,107.67

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Solution

The fourth proportional to 692,004.56, 954,993.93 and 386,107.67 is: 532,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,004.56 : 954,993.93 = 386,107.67 : x
  2. Step 2: Convert to fraction form
    692,004.56/954,993.93 = 386,107.67/x
  3. Step 3: Cross multiply
    692,004.56x = 954,993.93 × 386,107.67
  4. Step 4: Simplify right side
    692,004.56x = 368,730,476,401.47
  5. Step 5: Solve for x
    x = 368,730,476,401.47/692,004.56
  6. Step 6: Final answer
    x = 532,844.00

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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.