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Finding the Fourth Proportional to 700,540.12, 965,980.92 and 473,791.96

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Solution

The fourth proportional to 700,540.12, 965,980.92 and 473,791.96 is: 653,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,540.12 : 965,980.92 = 473,791.96 : x
  2. Step 2: Convert to fraction form
    700,540.12/965,980.92 = 473,791.96/x
  3. Step 3: Cross multiply
    700,540.12x = 965,980.92 × 473,791.96
  4. Step 4: Simplify right side
    700,540.12x = 457,673,993,409.40
  5. Step 5: Solve for x
    x = 457,673,993,409.40/700,540.12
  6. Step 6: Final answer
    x = 653,315.89

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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.