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Finding the Fourth Proportional to 573,016.17, 790,859.75 and 331,445.62

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Solution

The fourth proportional to 573,016.17, 790,859.75 and 331,445.62 is: 457,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,016.17 : 790,859.75 = 331,445.62 : x
  2. Step 2: Convert to fraction form
    573,016.17/790,859.75 = 331,445.62/x
  3. Step 3: Cross multiply
    573,016.17x = 790,859.75 × 331,445.62
  4. Step 4: Simplify right side
    573,016.17x = 262,127,001,367.52
  5. Step 5: Solve for x
    x = 262,127,001,367.52/573,016.17
  6. Step 6: Final answer
    x = 457,451.31

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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.