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Finding the Fourth Proportional to 302,133.46, 453,200.29 and 77,493.89

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Solution

The fourth proportional to 302,133.46, 453,200.29 and 77,493.89 is: 116,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,133.46 : 453,200.29 = 77,493.89 : x
  2. Step 2: Convert to fraction form
    302,133.46/453,200.29 = 77,493.89/x
  3. Step 3: Cross multiply
    302,133.46x = 453,200.29 × 77,493.89
  4. Step 4: Simplify right side
    302,133.46x = 35,120,253,421.23
  5. Step 5: Solve for x
    x = 35,120,253,421.23/302,133.46
  6. Step 6: Final answer
    x = 116,240.86

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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.