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Finding the Fourth Proportional to 700,854.03, 967,178.94 and 378,564.12

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Solution

The fourth proportional to 700,854.03, 967,178.94 and 378,564.12 is: 522,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,854.03 : 967,178.94 = 378,564.12 : x
  2. Step 2: Convert to fraction form
    700,854.03/967,178.94 = 378,564.12/x
  3. Step 3: Cross multiply
    700,854.03x = 967,178.94 × 378,564.12
  4. Step 4: Simplify right side
    700,854.03x = 366,139,245,250.04
  5. Step 5: Solve for x
    x = 366,139,245,250.04/700,854.03
  6. Step 6: Final answer
    x = 522,418.70

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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.