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Finding the Fourth Proportional to 585,825.20, 878,881.80 and 165,095.60

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Solution

The fourth proportional to 585,825.20, 878,881.80 and 165,095.60 is: 247,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,825.20 : 878,881.80 = 165,095.60 : x
  2. Step 2: Convert to fraction form
    585,825.20/878,881.80 = 165,095.60/x
  3. Step 3: Cross multiply
    585,825.20x = 878,881.80 × 165,095.60
  4. Step 4: Simplify right side
    585,825.20x = 145,099,518,100.08
  5. Step 5: Solve for x
    x = 145,099,518,100.08/585,825.20
  6. Step 6: Final answer
    x = 247,683.98

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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.