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Finding the Fourth Proportional to 647,244.93, 970,866.56 and 173,930.29

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Solution

The fourth proportional to 647,244.93, 970,866.56 and 173,930.29 is: 260,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,244.93 : 970,866.56 = 173,930.29 : x
  2. Step 2: Convert to fraction form
    647,244.93/970,866.56 = 173,930.29/x
  3. Step 3: Cross multiply
    647,244.93x = 970,866.56 × 173,930.29
  4. Step 4: Simplify right side
    647,244.93x = 168,863,101,462.45
  5. Step 5: Solve for x
    x = 168,863,101,462.45/647,244.93
  6. Step 6: Final answer
    x = 260,895.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.