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Finding the Fourth Proportional to 469,628.88, 704,472.62 and 132,695.40

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Solution

The fourth proportional to 469,628.88, 704,472.62 and 132,695.40 is: 199,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,628.88 : 704,472.62 = 132,695.40 : x
  2. Step 2: Convert to fraction form
    469,628.88/704,472.62 = 132,695.40/x
  3. Step 3: Cross multiply
    469,628.88x = 704,472.62 × 132,695.40
  4. Step 4: Simplify right side
    469,628.88x = 93,480,276,099.95
  5. Step 5: Solve for x
    x = 93,480,276,099.95/469,628.88
  6. Step 6: Final answer
    x = 199,051.38

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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.