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Finding the Fourth Proportional to 580,997.65, 801,645.40 and 351,549.23

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Solution

The fourth proportional to 580,997.65, 801,645.40 and 351,549.23 is: 485,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,997.65 : 801,645.40 = 351,549.23 : x
  2. Step 2: Convert to fraction form
    580,997.65/801,645.40 = 351,549.23/x
  3. Step 3: Cross multiply
    580,997.65x = 801,645.40 × 351,549.23
  4. Step 4: Simplify right side
    580,997.65x = 281,817,823,103.04
  5. Step 5: Solve for x
    x = 281,817,823,103.04/580,997.65
  6. Step 6: Final answer
    x = 485,058.46

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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.