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Finding the Fourth Proportional to 585,693.72, 808,190.73 and 331,044.30

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Solution

The fourth proportional to 585,693.72, 808,190.73 and 331,044.30 is: 456,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,693.72 : 808,190.73 = 331,044.30 : x
  2. Step 2: Convert to fraction form
    585,693.72/808,190.73 = 331,044.30/x
  3. Step 3: Cross multiply
    585,693.72x = 808,190.73 × 331,044.30
  4. Step 4: Simplify right side
    585,693.72x = 267,546,934,479.34
  5. Step 5: Solve for x
    x = 267,546,934,479.34/585,693.72
  6. Step 6: Final answer
    x = 456,803.49

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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.