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Finding the Fourth Proportional to 581,685.64, 872,539.52 and 182,317.60

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Solution

The fourth proportional to 581,685.64, 872,539.52 and 182,317.60 is: 273,479.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,685.64 : 872,539.52 = 182,317.60 : x
  2. Step 2: Convert to fraction form
    581,685.64/872,539.52 = 182,317.60/x
  3. Step 3: Cross multiply
    581,685.64x = 872,539.52 × 182,317.60
  4. Step 4: Simplify right side
    581,685.64x = 159,079,311,191.55
  5. Step 5: Solve for x
    x = 159,079,311,191.55/581,685.64
  6. Step 6: Final answer
    x = 273,479.87

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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.