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Finding the Fourth Proportional to 508,269.63, 762,403.53 and 153,283.38

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Solution

The fourth proportional to 508,269.63, 762,403.53 and 153,283.38 is: 229,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,269.63 : 762,403.53 = 153,283.38 : x
  2. Step 2: Convert to fraction form
    508,269.63/762,403.53 = 153,283.38/x
  3. Step 3: Cross multiply
    508,269.63x = 762,403.53 × 153,283.38
  4. Step 4: Simplify right side
    508,269.63x = 116,863,790,002.33
  5. Step 5: Solve for x
    x = 116,863,790,002.33/508,269.63
  6. Step 6: Final answer
    x = 229,924.79

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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.