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Finding the Fourth Proportional to 425,786.76, 587,574.81 and 234,787.68

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Solution

The fourth proportional to 425,786.76, 587,574.81 and 234,787.68 is: 324,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,786.76 : 587,574.81 = 234,787.68 : x
  2. Step 2: Convert to fraction form
    425,786.76/587,574.81 = 234,787.68/x
  3. Step 3: Cross multiply
    425,786.76x = 587,574.81 × 234,787.68
  4. Step 4: Simplify right side
    425,786.76x = 137,955,326,466.34
  5. Step 5: Solve for x
    x = 137,955,326,466.34/425,786.76
  6. Step 6: Final answer
    x = 324,000.98

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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.