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Finding the Fourth Proportional to 429,351.44, 592,493.46 and 257,366.56

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Solution

The fourth proportional to 429,351.44, 592,493.46 and 257,366.56 is: 355,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,351.44 : 592,493.46 = 257,366.56 : x
  2. Step 2: Convert to fraction form
    429,351.44/592,493.46 = 257,366.56/x
  3. Step 3: Cross multiply
    429,351.44x = 592,493.46 × 257,366.56
  4. Step 4: Simplify right side
    429,351.44x = 152,488,003,622.70
  5. Step 5: Solve for x
    x = 152,488,003,622.70/429,351.44
  6. Step 6: Final answer
    x = 355,158.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.