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Finding the Fourth Proportional to 358,573.28, 537,860.28 and 92,334.38

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Solution

The fourth proportional to 358,573.28, 537,860.28 and 92,334.38 is: 138,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,573.28 : 537,860.28 = 92,334.38 : x
  2. Step 2: Convert to fraction form
    358,573.28/537,860.28 = 92,334.38/x
  3. Step 3: Cross multiply
    358,573.28x = 537,860.28 × 92,334.38
  4. Step 4: Simplify right side
    358,573.28x = 49,662,992,791.13
  5. Step 5: Solve for x
    x = 49,662,992,791.13/358,573.28
  6. Step 6: Final answer
    x = 138,501.66

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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.