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Finding the Fourth Proportional to 425,549.75, 587,261.48 and 234,563.31

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Solution

The fourth proportional to 425,549.75, 587,261.48 and 234,563.31 is: 323,698.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,549.75 : 587,261.48 = 234,563.31 : x
  2. Step 2: Convert to fraction form
    425,549.75/587,261.48 = 234,563.31/x
  3. Step 3: Cross multiply
    425,549.75x = 587,261.48 × 234,563.31
  4. Step 4: Simplify right side
    425,549.75x = 137,749,995,411.48
  5. Step 5: Solve for x
    x = 137,749,995,411.48/425,549.75
  6. Step 6: Final answer
    x = 323,698.93

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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.