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Finding the Fourth Proportional to 425,616.91, 587,347.47 and 234,630.29

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Solution

The fourth proportional to 425,616.91, 587,347.47 and 234,630.29 is: 323,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,616.91 : 587,347.47 = 234,630.29 : x
  2. Step 2: Convert to fraction form
    425,616.91/587,347.47 = 234,630.29/x
  3. Step 3: Cross multiply
    425,616.91x = 587,347.47 × 234,630.29
  4. Step 4: Simplify right side
    425,616.91x = 137,809,508,685.24
  5. Step 5: Solve for x
    x = 137,809,508,685.24/425,616.91
  6. Step 6: Final answer
    x = 323,787.67

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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.