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Finding the Fourth Proportional to 573,842.33, 790,646.64 and 379,921.04

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Solution

The fourth proportional to 573,842.33, 790,646.64 and 379,921.04 is: 523,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,842.33 : 790,646.64 = 379,921.04 : x
  2. Step 2: Convert to fraction form
    573,842.33/790,646.64 = 379,921.04/x
  3. Step 3: Cross multiply
    573,842.33x = 790,646.64 × 379,921.04
  4. Step 4: Simplify right side
    573,842.33x = 300,383,293,741.31
  5. Step 5: Solve for x
    x = 300,383,293,741.31/573,842.33
  6. Step 6: Final answer
    x = 523,459.63

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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.