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Finding the Fourth Proportional to 700,880.52, 967,215.51 and 378,590.62

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Solution

The fourth proportional to 700,880.52, 967,215.51 and 378,590.62 is: 522,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,880.52 : 967,215.51 = 378,590.62 : x
  2. Step 2: Convert to fraction form
    700,880.52/967,215.51 = 378,590.62/x
  3. Step 3: Cross multiply
    700,880.52x = 967,215.51 × 378,590.62
  4. Step 4: Simplify right side
    700,880.52x = 366,178,719,604.52
  5. Step 5: Solve for x
    x = 366,178,719,604.52/700,880.52
  6. Step 6: Final answer
    x = 522,455.27

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1.5x scale

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.