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Finding the Fourth Proportional to 702,292.08, 969,159.96 and 380,007.90

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Solution

The fourth proportional to 702,292.08, 969,159.96 and 380,007.90 is: 524,409.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,292.08 : 969,159.96 = 380,007.90 : x
  2. Step 2: Convert to fraction form
    702,292.08/969,159.96 = 380,007.90/x
  3. Step 3: Cross multiply
    702,292.08x = 969,159.96 × 380,007.90
  4. Step 4: Simplify right side
    702,292.08x = 368,288,441,163.68
  5. Step 5: Solve for x
    x = 368,288,441,163.68/702,292.08
  6. Step 6: Final answer
    x = 524,409.22

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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.