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Finding the Fourth Proportional to 363,461.94, 545,195.34 and 126,803.70

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Solution

The fourth proportional to 363,461.94, 545,195.34 and 126,803.70 is: 190,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,461.94 : 545,195.34 = 126,803.70 : x
  2. Step 2: Convert to fraction form
    363,461.94/545,195.34 = 126,803.70/x
  3. Step 3: Cross multiply
    363,461.94x = 545,195.34 × 126,803.70
  4. Step 4: Simplify right side
    363,461.94x = 69,132,786,334.76
  5. Step 5: Solve for x
    x = 69,132,786,334.76/363,461.94
  6. Step 6: Final answer
    x = 190,206.40

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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.