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Finding the Fourth Proportional to 442,115.37, 610,119.10 and 240,911.37

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Solution

The fourth proportional to 442,115.37, 610,119.10 and 240,911.37 is: 332,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,115.37 : 610,119.10 = 240,911.37 : x
  2. Step 2: Convert to fraction form
    442,115.37/610,119.10 = 240,911.37/x
  3. Step 3: Cross multiply
    442,115.37x = 610,119.10 × 240,911.37
  4. Step 4: Simplify right side
    442,115.37x = 146,984,628,244.17
  5. Step 5: Solve for x
    x = 146,984,628,244.17/442,115.37
  6. Step 6: Final answer
    x = 332,457.63

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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.