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Finding the Fourth Proportional to 424,575.31, 636,967.01 and 348,801.97

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Solution

The fourth proportional to 424,575.31, 636,967.01 and 348,801.97 is: 523,288.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,575.31 : 636,967.01 = 348,801.97 : x
  2. Step 2: Convert to fraction form
    424,575.31/636,967.01 = 348,801.97/x
  3. Step 3: Cross multiply
    424,575.31x = 636,967.01 × 348,801.97
  4. Step 4: Simplify right side
    424,575.31x = 222,175,346,169.00
  5. Step 5: Solve for x
    x = 222,175,346,169.00/424,575.31
  6. Step 6: Final answer
    x = 523,288.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.