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Finding the Fourth Proportional to 461,265, 636,215.46 and 299,818.92

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Solution

The fourth proportional to 461,265, 636,215.46 and 299,818.92 is: 413,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,265 : 636,215.46 = 299,818.92 : x
  2. Step 2: Convert to fraction form
    461,265/636,215.46 = 299,818.92/x
  3. Step 3: Cross multiply
    461,265x = 636,215.46 × 299,818.92
  4. Step 4: Simplify right side
    461,265x = 190,749,432,104.50
  5. Step 5: Solve for x
    x = 190,749,432,104.50/461,265
  6. Step 6: Final answer
    x = 413,535.46

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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.