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Finding the Fourth Proportional to 464,332.58, 696,499.96 and 127,378.12

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Solution

The fourth proportional to 464,332.58, 696,499.96 and 127,378.12 is: 191,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,332.58 : 696,499.96 = 127,378.12 : x
  2. Step 2: Convert to fraction form
    464,332.58/696,499.96 = 127,378.12/x
  3. Step 3: Cross multiply
    464,332.58x = 696,499.96 × 127,378.12
  4. Step 4: Simplify right side
    464,332.58x = 88,718,855,484.88
  5. Step 5: Solve for x
    x = 88,718,855,484.88/464,332.58
  6. Step 6: Final answer
    x = 191,067.48

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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.