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Finding the Fourth Proportional to 700,734.33, 967,013.30 and 378,444.45

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Solution

The fourth proportional to 700,734.33, 967,013.30 and 378,444.45 is: 522,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,734.33 : 967,013.30 = 378,444.45 : x
  2. Step 2: Convert to fraction form
    700,734.33/967,013.30 = 378,444.45/x
  3. Step 3: Cross multiply
    700,734.33x = 967,013.30 × 378,444.45
  4. Step 4: Simplify right side
    700,734.33x = 365,960,814,568.96
  5. Step 5: Solve for x
    x = 365,960,814,568.96/700,734.33
  6. Step 6: Final answer
    x = 522,253.30

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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.