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Finding the Fourth Proportional to 433,987.92, 598,503.64 and 297,781.56

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Solution

The fourth proportional to 433,987.92, 598,503.64 and 297,781.56 is: 410,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,987.92 : 598,503.64 = 297,781.56 : x
  2. Step 2: Convert to fraction form
    433,987.92/598,503.64 = 297,781.56/x
  3. Step 3: Cross multiply
    433,987.92x = 598,503.64 × 297,781.56
  4. Step 4: Simplify right side
    433,987.92x = 178,223,347,584.88
  5. Step 5: Solve for x
    x = 178,223,347,584.88/433,987.92
  6. Step 6: Final answer
    x = 410,664.31

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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.