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Finding the Fourth Proportional to 587,894.61, 881,747.46 and 161,330.79

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Solution

The fourth proportional to 587,894.61, 881,747.46 and 161,330.79 is: 241,970.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,894.61 : 881,747.46 = 161,330.79 : x
  2. Step 2: Convert to fraction form
    587,894.61/881,747.46 = 161,330.79/x
  3. Step 3: Cross multiply
    587,894.61x = 881,747.46 × 161,330.79
  4. Step 4: Simplify right side
    587,894.61x = 142,253,014,302.29
  5. Step 5: Solve for x
    x = 142,253,014,302.29/587,894.61
  6. Step 6: Final answer
    x = 241,970.26

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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.