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Finding the Fourth Proportional to 302,247.72, 453,549.78 and 112,843.80

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Solution

The fourth proportional to 302,247.72, 453,549.78 and 112,843.80 is: 169,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,247.72 : 453,549.78 = 112,843.80 : x
  2. Step 2: Convert to fraction form
    302,247.72/453,549.78 = 112,843.80/x
  3. Step 3: Cross multiply
    302,247.72x = 453,549.78 × 112,843.80
  4. Step 4: Simplify right side
    302,247.72x = 51,180,280,664.36
  5. Step 5: Solve for x
    x = 51,180,280,664.36/302,247.72
  6. Step 6: Final answer
    x = 169,332.23

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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.