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Finding the Fourth Proportional to 316,230.65, 473,585.81 and 180,884.51

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Solution

The fourth proportional to 316,230.65, 473,585.81 and 180,884.51 is: 270,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,230.65 : 473,585.81 = 180,884.51 : x
  2. Step 2: Convert to fraction form
    316,230.65/473,585.81 = 180,884.51/x
  3. Step 3: Cross multiply
    316,230.65x = 473,585.81 × 180,884.51
  4. Step 4: Simplify right side
    316,230.65x = 85,664,335,688.40
  5. Step 5: Solve for x
    x = 85,664,335,688.40/316,230.65
  6. Step 6: Final answer
    x = 270,891.95

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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.