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Finding the Fourth Proportional to 425,587.90, 587,311.08 and 234,604.48

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Solution

The fourth proportional to 425,587.90, 587,311.08 and 234,604.48 is: 323,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,587.90 : 587,311.08 = 234,604.48 : x
  2. Step 2: Convert to fraction form
    425,587.90/587,311.08 = 234,604.48/x
  3. Step 3: Cross multiply
    425,587.90x = 587,311.08 × 234,604.48
  4. Step 4: Simplify right side
    425,587.90x = 137,785,810,521.64
  5. Step 5: Solve for x
    x = 137,785,810,521.64/425,587.90
  6. Step 6: Final answer
    x = 323,754.06

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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.