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Finding the Fourth Proportional to 507,668.29, 760,701.33 and 187,379.32

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Solution

The fourth proportional to 507,668.29, 760,701.33 and 187,379.32 is: 280,773.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,668.29 : 760,701.33 = 187,379.32 : x
  2. Step 2: Convert to fraction form
    507,668.29/760,701.33 = 187,379.32/x
  3. Step 3: Cross multiply
    507,668.29x = 760,701.33 × 187,379.32
  4. Step 4: Simplify right side
    507,668.29x = 142,539,697,938.50
  5. Step 5: Solve for x
    x = 142,539,697,938.50/507,668.29
  6. Step 6: Final answer
    x = 280,773.29

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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.