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Finding the Fourth Proportional to 609,653.40, 841,312.58 and 337,720.48

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Solution

The fourth proportional to 609,653.40, 841,312.58 and 337,720.48 is: 466,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,653.40 : 841,312.58 = 337,720.48 : x
  2. Step 2: Convert to fraction form
    609,653.40/841,312.58 = 337,720.48/x
  3. Step 3: Cross multiply
    609,653.40x = 841,312.58 × 337,720.48
  4. Step 4: Simplify right side
    609,653.40x = 284,128,488,347.64
  5. Step 5: Solve for x
    x = 284,128,488,347.64/609,653.40
  6. Step 6: Final answer
    x = 466,049.21

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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.