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Finding the Fourth Proportional to 358,957.67, 495,016.18 and 236,230.52

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Solution

The fourth proportional to 358,957.67, 495,016.18 and 236,230.52 is: 325,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,957.67 : 495,016.18 = 236,230.52 : x
  2. Step 2: Convert to fraction form
    358,957.67/495,016.18 = 236,230.52/x
  3. Step 3: Cross multiply
    358,957.67x = 495,016.18 × 236,230.52
  4. Step 4: Simplify right side
    358,957.67x = 116,937,926,544.16
  5. Step 5: Solve for x
    x = 116,937,926,544.16/358,957.67
  6. Step 6: Final answer
    x = 325,770.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.