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Finding the Fourth Proportional to 607,941.26, 912,010.98 and 187,217.13

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Solution

The fourth proportional to 607,941.26, 912,010.98 and 187,217.13 is: 280,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,941.26 : 912,010.98 = 187,217.13 : x
  2. Step 2: Convert to fraction form
    607,941.26/912,010.98 = 187,217.13/x
  3. Step 3: Cross multiply
    607,941.26x = 912,010.98 × 187,217.13
  4. Step 4: Simplify right side
    607,941.26x = 170,744,082,326.19
  5. Step 5: Solve for x
    x = 170,744,082,326.19/607,941.26
  6. Step 6: Final answer
    x = 280,856.22

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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.