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Finding the Fourth Proportional to 694,226.67, 958,020.12 and 392,420.67

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Solution

The fourth proportional to 694,226.67, 958,020.12 and 392,420.67 is: 541,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,226.67 : 958,020.12 = 392,420.67 : x
  2. Step 2: Convert to fraction form
    694,226.67/958,020.12 = 392,420.67/x
  3. Step 3: Cross multiply
    694,226.67x = 958,020.12 × 392,420.67
  4. Step 4: Simplify right side
    694,226.67x = 375,946,897,363.88
  5. Step 5: Solve for x
    x = 375,946,897,363.88/694,226.67
  6. Step 6: Final answer
    x = 541,533.35

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Double scale
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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.