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Finding the Fourth Proportional to 587,969.58, 881,952.64 and 161,505.81

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Solution

The fourth proportional to 587,969.58, 881,952.64 and 161,505.81 is: 242,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,969.58 : 881,952.64 = 161,505.81 : x
  2. Step 2: Convert to fraction form
    587,969.58/881,952.64 = 161,505.81/x
  3. Step 3: Cross multiply
    587,969.58x = 881,952.64 × 161,505.81
  4. Step 4: Simplify right side
    587,969.58x = 142,440,471,095.08
  5. Step 5: Solve for x
    x = 142,440,471,095.08/587,969.58
  6. Step 6: Final answer
    x = 242,258.23

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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.