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Finding the Fourth Proportional to 424,392.68, 585,612.60 and 243,093.80

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Solution

The fourth proportional to 424,392.68, 585,612.60 and 243,093.80 is: 335,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,392.68 : 585,612.60 = 243,093.80 : x
  2. Step 2: Convert to fraction form
    424,392.68/585,612.60 = 243,093.80/x
  3. Step 3: Cross multiply
    424,392.68x = 585,612.60 × 243,093.80
  4. Step 4: Simplify right side
    424,392.68x = 142,358,792,261.88
  5. Step 5: Solve for x
    x = 142,358,792,261.88/424,392.68
  6. Step 6: Final answer
    x = 335,441.21

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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.