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Finding the Fourth Proportional to 700,996.08, 967,373.46 and 399,190.08

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Solution

The fourth proportional to 700,996.08, 967,373.46 and 399,190.08 is: 550,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,996.08 : 967,373.46 = 399,190.08 : x
  2. Step 2: Convert to fraction form
    700,996.08/967,373.46 = 399,190.08/x
  3. Step 3: Cross multiply
    700,996.08x = 967,373.46 × 399,190.08
  4. Step 4: Simplify right side
    700,996.08x = 386,165,888,887.28
  5. Step 5: Solve for x
    x = 386,165,888,887.28/700,996.08
  6. Step 6: Final answer
    x = 550,881.67

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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.