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Finding the Fourth Proportional to 469,904.17, 648,450.40 and 255,039.62

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Solution

The fourth proportional to 469,904.17, 648,450.40 and 255,039.62 is: 351,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,904.17 : 648,450.40 = 255,039.62 : x
  2. Step 2: Convert to fraction form
    469,904.17/648,450.40 = 255,039.62/x
  3. Step 3: Cross multiply
    469,904.17x = 648,450.40 × 255,039.62
  4. Step 4: Simplify right side
    469,904.17x = 165,380,543,604.85
  5. Step 5: Solve for x
    x = 165,380,543,604.85/469,904.17
  6. Step 6: Final answer
    x = 351,945.26

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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.