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Finding the Fourth Proportional to 302,430.68, 453,674.28 and 89,198.80

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Solution

The fourth proportional to 302,430.68, 453,674.28 and 89,198.80 is: 133,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430.68 : 453,674.28 = 89,198.80 : x
  2. Step 2: Convert to fraction form
    302,430.68/453,674.28 = 89,198.80/x
  3. Step 3: Cross multiply
    302,430.68x = 453,674.28 × 89,198.80
  4. Step 4: Simplify right side
    302,430.68x = 40,467,201,366.86
  5. Step 5: Solve for x
    x = 40,467,201,366.86/302,430.68
  6. Step 6: Final answer
    x = 133,806.53

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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.