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Finding the Fourth Proportional to 701,007, 967,389.66 and 383,055

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Solution

The fourth proportional to 701,007, 967,389.66 and 383,055 is: 528,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,007 : 967,389.66 = 383,055 : x
  2. Step 2: Convert to fraction form
    701,007/967,389.66 = 383,055/x
  3. Step 3: Cross multiply
    701,007x = 967,389.66 × 383,055
  4. Step 4: Simplify right side
    701,007x = 370,563,446,211.30
  5. Step 5: Solve for x
    x = 370,563,446,211.30/701,007
  6. Step 6: Final answer
    x = 528,615.90

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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.