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Finding the Fourth Proportional to 383,626.66, 529,061.61 and 240,402.34

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Solution

The fourth proportional to 383,626.66, 529,061.61 and 240,402.34 is: 331,540.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,626.66 : 529,061.61 = 240,402.34 : x
  2. Step 2: Convert to fraction form
    383,626.66/529,061.61 = 240,402.34/x
  3. Step 3: Cross multiply
    383,626.66x = 529,061.61 × 240,402.34
  4. Step 4: Simplify right side
    383,626.66x = 127,187,649,048.17
  5. Step 5: Solve for x
    x = 127,187,649,048.17/383,626.66
  6. Step 6: Final answer
    x = 331,540.17

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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.