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Finding the Fourth Proportional to 528,987.81, 793,231.58 and 204,927.69

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Solution

The fourth proportional to 528,987.81, 793,231.58 and 204,927.69 is: 307,294.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,987.81 : 793,231.58 = 204,927.69 : x
  2. Step 2: Convert to fraction form
    528,987.81/793,231.58 = 204,927.69/x
  3. Step 3: Cross multiply
    528,987.81x = 793,231.58 × 204,927.69
  4. Step 4: Simplify right side
    528,987.81x = 162,555,114,299.81
  5. Step 5: Solve for x
    x = 162,555,114,299.81/528,987.81
  6. Step 6: Final answer
    x = 307,294.63

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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.