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Finding the Fourth Proportional to 451,656.28, 677,484.72 and 114,722.20

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Solution

The fourth proportional to 451,656.28, 677,484.72 and 114,722.20 is: 172,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,656.28 : 677,484.72 = 114,722.20 : x
  2. Step 2: Convert to fraction form
    451,656.28/677,484.72 = 114,722.20/x
  3. Step 3: Cross multiply
    451,656.28x = 677,484.72 × 114,722.20
  4. Step 4: Simplify right side
    451,656.28x = 77,722,537,544.78
  5. Step 5: Solve for x
    x = 77,722,537,544.78/451,656.28
  6. Step 6: Final answer
    x = 172,083.38

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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.