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Finding the Fourth Proportional to 609,568.16, 841,217.70 and 347,918.25

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Solution

The fourth proportional to 609,568.16, 841,217.70 and 347,918.25 is: 480,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,568.16 : 841,217.70 = 347,918.25 : x
  2. Step 2: Convert to fraction form
    609,568.16/841,217.70 = 347,918.25/x
  3. Step 3: Cross multiply
    609,568.16x = 841,217.70 × 347,918.25
  4. Step 4: Simplify right side
    609,568.16x = 292,674,990,963.40
  5. Step 5: Solve for x
    x = 292,674,990,963.40/609,568.16
  6. Step 6: Final answer
    x = 480,134.97

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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.