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Finding the Fourth Proportional to 456,019.96, 629,370.10 and 262,423.70

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Solution

The fourth proportional to 456,019.96, 629,370.10 and 262,423.70 is: 362,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,019.96 : 629,370.10 = 262,423.70 : x
  2. Step 2: Convert to fraction form
    456,019.96/629,370.10 = 262,423.70/x
  3. Step 3: Cross multiply
    456,019.96x = 629,370.10 × 262,423.70
  4. Step 4: Simplify right side
    456,019.96x = 165,161,630,311.37
  5. Step 5: Solve for x
    x = 165,161,630,311.37/456,019.96
  6. Step 6: Final answer
    x = 362,180.70

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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.