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Finding the Fourth Proportional to 354,313.04, 531,471.48 and 104,997.20

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Solution

The fourth proportional to 354,313.04, 531,471.48 and 104,997.20 is: 157,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,313.04 : 531,471.48 = 104,997.20 : x
  2. Step 2: Convert to fraction form
    354,313.04/531,471.48 = 104,997.20/x
  3. Step 3: Cross multiply
    354,313.04x = 531,471.48 × 104,997.20
  4. Step 4: Simplify right side
    354,313.04x = 55,803,017,279.86
  5. Step 5: Solve for x
    x = 55,803,017,279.86/354,313.04
  6. Step 6: Final answer
    x = 157,496.37

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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.