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Finding the Fourth Proportional to 700,815.06, 967,338.66 and 439,311.96

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Solution

The fourth proportional to 700,815.06, 967,338.66 and 439,311.96 is: 606,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,815.06 : 967,338.66 = 439,311.96 : x
  2. Step 2: Convert to fraction form
    700,815.06/967,338.66 = 439,311.96/x
  3. Step 3: Cross multiply
    700,815.06x = 967,338.66 × 439,311.96
  4. Step 4: Simplify right side
    700,815.06x = 424,963,442,708.37
  5. Step 5: Solve for x
    x = 424,963,442,708.37/700,815.06
  6. Step 6: Final answer
    x = 606,384.58

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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.