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Finding the Fourth Proportional to 425,387.25, 587,046.76 and 234,412.94

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Solution

The fourth proportional to 425,387.25, 587,046.76 and 234,412.94 is: 323,496.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,387.25 : 587,046.76 = 234,412.94 : x
  2. Step 2: Convert to fraction form
    425,387.25/587,046.76 = 234,412.94/x
  3. Step 3: Cross multiply
    425,387.25x = 587,046.76 × 234,412.94
  4. Step 4: Simplify right side
    425,387.25x = 137,611,357,810.66
  5. Step 5: Solve for x
    x = 137,611,357,810.66/425,387.25
  6. Step 6: Final answer
    x = 323,496.67

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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.