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Finding the Fourth Proportional to 425,062.49, 585,588.50 and 295,778.63

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Solution

The fourth proportional to 425,062.49, 585,588.50 and 295,778.63 is: 407,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,062.49 : 585,588.50 = 295,778.63 : x
  2. Step 2: Convert to fraction form
    425,062.49/585,588.50 = 295,778.63/x
  3. Step 3: Cross multiply
    425,062.49x = 585,588.50 × 295,778.63
  4. Step 4: Simplify right side
    425,062.49x = 173,204,561,330.89
  5. Step 5: Solve for x
    x = 173,204,561,330.89/425,062.49
  6. Step 6: Final answer
    x = 407,480.23

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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.