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Finding the Fourth Proportional to 302,546.80, 453,820.20 and 282,863.80

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Solution

The fourth proportional to 302,546.80, 453,820.20 and 282,863.80 is: 424,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,546.80 : 453,820.20 = 282,863.80 : x
  2. Step 2: Convert to fraction form
    302,546.80/453,820.20 = 282,863.80/x
  3. Step 3: Cross multiply
    302,546.80x = 453,820.20 × 282,863.80
  4. Step 4: Simplify right side
    302,546.80x = 128,369,306,288.76
  5. Step 5: Solve for x
    x = 128,369,306,288.76/302,546.80
  6. Step 6: Final answer
    x = 424,295.70

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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.