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Finding the Fourth Proportional to 354,313.92, 530,879.10 and 248,944.20

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Solution

The fourth proportional to 354,313.92, 530,879.10 and 248,944.20 is: 373,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,313.92 : 530,879.10 = 248,944.20 : x
  2. Step 2: Convert to fraction form
    354,313.92/530,879.10 = 248,944.20/x
  3. Step 3: Cross multiply
    354,313.92x = 530,879.10 × 248,944.20
  4. Step 4: Simplify right side
    354,313.92x = 132,159,272,846.22
  5. Step 5: Solve for x
    x = 132,159,272,846.22/354,313.92
  6. Step 6: Final answer
    x = 373,000.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.