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Finding the Fourth Proportional to 424,093.50, 585,255.75 and 242,804.70

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Solution

The fourth proportional to 424,093.50, 585,255.75 and 242,804.70 is: 335,074.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,093.50 : 585,255.75 = 242,804.70 : x
  2. Step 2: Convert to fraction form
    424,093.50/585,255.75 = 242,804.70/x
  3. Step 3: Cross multiply
    424,093.50x = 585,255.75 × 242,804.70
  4. Step 4: Simplify right side
    424,093.50x = 142,102,846,802.03
  5. Step 5: Solve for x
    x = 142,102,846,802.03/424,093.50
  6. Step 6: Final answer
    x = 335,074.33

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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.