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Finding the Fourth Proportional to 616,661.10, 924,958.85 and 195,904.17

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Solution

The fourth proportional to 616,661.10, 924,958.85 and 195,904.17 is: 293,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,661.10 : 924,958.85 = 195,904.17 : x
  2. Step 2: Convert to fraction form
    616,661.10/924,958.85 = 195,904.17/x
  3. Step 3: Cross multiply
    616,661.10x = 924,958.85 × 195,904.17
  4. Step 4: Simplify right side
    616,661.10x = 181,203,294,813.88
  5. Step 5: Solve for x
    x = 181,203,294,813.88/616,661.10
  6. Step 6: Final answer
    x = 293,845.83

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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.