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Finding the Fourth Proportional to 302,910.80, 453,491.40 and 184,812.80

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Solution

The fourth proportional to 302,910.80, 453,491.40 and 184,812.80 is: 276,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,910.80 : 453,491.40 = 184,812.80 : x
  2. Step 2: Convert to fraction form
    302,910.80/453,491.40 = 184,812.80/x
  3. Step 3: Cross multiply
    302,910.80x = 453,491.40 × 184,812.80
  4. Step 4: Simplify right side
    302,910.80x = 83,811,015,409.92
  5. Step 5: Solve for x
    x = 83,811,015,409.92/302,910.80
  6. Step 6: Final answer
    x = 276,685.46

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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.