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Finding the Fourth Proportional to 609,859.75, 841,606.46 and 371,395.75

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Solution

The fourth proportional to 609,859.75, 841,606.46 and 371,395.75 is: 512,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,859.75 : 841,606.46 = 371,395.75 : x
  2. Step 2: Convert to fraction form
    609,859.75/841,606.46 = 371,395.75/x
  3. Step 3: Cross multiply
    609,859.75x = 841,606.46 × 371,395.75
  4. Step 4: Simplify right side
    609,859.75x = 312,569,060,559.57
  5. Step 5: Solve for x
    x = 312,569,060,559.57/609,859.75
  6. Step 6: Final answer
    x = 512,526.14

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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.