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Finding the Fourth Proportional to 305,599.74, 458,402.76 and 92,369.40

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Solution

The fourth proportional to 305,599.74, 458,402.76 and 92,369.40 is: 138,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,599.74 : 458,402.76 = 92,369.40 : x
  2. Step 2: Convert to fraction form
    305,599.74/458,402.76 = 92,369.40/x
  3. Step 3: Cross multiply
    305,599.74x = 458,402.76 × 92,369.40
  4. Step 4: Simplify right side
    305,599.74x = 42,342,387,899.54
  5. Step 5: Solve for x
    x = 42,342,387,899.54/305,599.74
  6. Step 6: Final answer
    x = 138,555.05

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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.