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Finding the Fourth Proportional to 424,450.50, 585,824.88 and 243,283.86

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Solution

The fourth proportional to 424,450.50, 585,824.88 and 243,283.86 is: 335,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,450.50 : 585,824.88 = 243,283.86 : x
  2. Step 2: Convert to fraction form
    424,450.50/585,824.88 = 243,283.86/x
  3. Step 3: Cross multiply
    424,450.50x = 585,824.88 × 243,283.86
  4. Step 4: Simplify right side
    424,450.50x = 142,521,738,090.44
  5. Step 5: Solve for x
    x = 142,521,738,090.44/424,450.50
  6. Step 6: Final answer
    x = 335,779.41

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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.