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Finding the Fourth Proportional to 461,566.75, 636,459.98 and 300,122.41

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Solution

The fourth proportional to 461,566.75, 636,459.98 and 300,122.41 is: 413,842.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,566.75 : 636,459.98 = 300,122.41 : x
  2. Step 2: Convert to fraction form
    461,566.75/636,459.98 = 300,122.41/x
  3. Step 3: Cross multiply
    461,566.75x = 636,459.98 × 300,122.41
  4. Step 4: Simplify right side
    461,566.75x = 191,015,903,066.15
  5. Step 5: Solve for x
    x = 191,015,903,066.15/461,566.75
  6. Step 6: Final answer
    x = 413,842.42

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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.