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Finding the Fourth Proportional to 580,810.06, 801,489.72 and 322,703.29

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Solution

The fourth proportional to 580,810.06, 801,489.72 and 322,703.29 is: 445,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,810.06 : 801,489.72 = 322,703.29 : x
  2. Step 2: Convert to fraction form
    580,810.06/801,489.72 = 322,703.29/x
  3. Step 3: Cross multiply
    580,810.06x = 801,489.72 × 322,703.29
  4. Step 4: Simplify right side
    580,810.06x = 258,643,369,545.18
  5. Step 5: Solve for x
    x = 258,643,369,545.18/580,810.06
  6. Step 6: Final answer
    x = 445,314.89

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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.