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Finding the Fourth Proportional to 424,458.56, 585,835.92 and 243,291.84

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Solution

The fourth proportional to 424,458.56, 585,835.92 and 243,291.84 is: 335,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,458.56 : 585,835.92 = 243,291.84 : x
  2. Step 2: Convert to fraction form
    424,458.56/585,835.92 = 243,291.84/x
  3. Step 3: Cross multiply
    424,458.56x = 585,835.92 × 243,291.84
  4. Step 4: Simplify right side
    424,458.56x = 142,529,098,914.89
  5. Step 5: Solve for x
    x = 142,529,098,914.89/424,458.56
  6. Step 6: Final answer
    x = 335,790.37

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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.