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Finding the Fourth Proportional to 424,363.14, 585,628.27 and 243,090.91

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Solution

The fourth proportional to 424,363.14, 585,628.27 and 243,090.91 is: 335,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,363.14 : 585,628.27 = 243,090.91 : x
  2. Step 2: Convert to fraction form
    424,363.14/585,628.27 = 243,090.91/x
  3. Step 3: Cross multiply
    424,363.14x = 585,628.27 × 243,090.91
  4. Step 4: Simplify right side
    424,363.14x = 142,360,909,076.03
  5. Step 5: Solve for x
    x = 142,360,909,076.03/424,363.14
  6. Step 6: Final answer
    x = 335,469.54

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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.