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Finding the Fourth Proportional to 609,757.92, 841,443.58 and 351,645.75

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Solution

The fourth proportional to 609,757.92, 841,443.58 and 351,645.75 is: 485,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,757.92 : 841,443.58 = 351,645.75 : x
  2. Step 2: Convert to fraction form
    609,757.92/841,443.58 = 351,645.75/x
  3. Step 3: Cross multiply
    609,757.92x = 841,443.58 × 351,645.75
  4. Step 4: Simplify right side
    609,757.92x = 295,890,058,771.79
  5. Step 5: Solve for x
    x = 295,890,058,771.79/609,757.92
  6. Step 6: Final answer
    x = 485,258.25

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1.5x scale

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.