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Finding the Fourth Proportional to 461,266.50, 636,217.53 and 299,820.42

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Solution

The fourth proportional to 461,266.50, 636,217.53 and 299,820.42 is: 413,537.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,266.50 : 636,217.53 = 299,820.42 : x
  2. Step 2: Convert to fraction form
    461,266.50/636,217.53 = 299,820.42/x
  3. Step 3: Cross multiply
    461,266.50x = 636,217.53 × 299,820.42
  4. Step 4: Simplify right side
    461,266.50x = 190,751,007,055.96
  5. Step 5: Solve for x
    x = 190,751,007,055.96/461,266.50
  6. Step 6: Final answer
    x = 413,537.53

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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.