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Finding the Fourth Proportional to 587,531.03, 881,545.76 and 320,980.16

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Solution

The fourth proportional to 587,531.03, 881,545.76 and 320,980.16 is: 481,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,531.03 : 881,545.76 = 320,980.16 : x
  2. Step 2: Convert to fraction form
    587,531.03/881,545.76 = 320,980.16/x
  3. Step 3: Cross multiply
    587,531.03x = 881,545.76 × 320,980.16
  4. Step 4: Simplify right side
    587,531.03x = 282,958,702,098.44
  5. Step 5: Solve for x
    x = 282,958,702,098.44/587,531.03
  6. Step 6: Final answer
    x = 481,606.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.