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Finding the Fourth Proportional to 512,166.40, 768,832.80 and 301,922.80

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Solution

The fourth proportional to 512,166.40, 768,832.80 and 301,922.80 is: 453,228.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,166.40 : 768,832.80 = 301,922.80 : x
  2. Step 2: Convert to fraction form
    512,166.40/768,832.80 = 301,922.80/x
  3. Step 3: Cross multiply
    512,166.40x = 768,832.80 × 301,922.80
  4. Step 4: Simplify right side
    512,166.40x = 232,128,151,707.84
  5. Step 5: Solve for x
    x = 232,128,151,707.84/512,166.40
  6. Step 6: Final answer
    x = 453,228.00

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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.