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Finding the Fourth Proportional to 273,401.10, 410,101.65 and 188,982.90

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Solution

The fourth proportional to 273,401.10, 410,101.65 and 188,982.90 is: 283,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,401.10 : 410,101.65 = 188,982.90 : x
  2. Step 2: Convert to fraction form
    273,401.10/410,101.65 = 188,982.90/x
  3. Step 3: Cross multiply
    273,401.10x = 410,101.65 × 188,982.90
  4. Step 4: Simplify right side
    273,401.10x = 77,502,199,111.79
  5. Step 5: Solve for x
    x = 77,502,199,111.79/273,401.10
  6. Step 6: Final answer
    x = 283,474.35

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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.