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Finding the Fourth Proportional to 508,508.73, 762,886.41 and 153,501.54

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Solution

The fourth proportional to 508,508.73, 762,886.41 and 153,501.54 is: 230,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,508.73 : 762,886.41 = 153,501.54 : x
  2. Step 2: Convert to fraction form
    508,508.73/762,886.41 = 153,501.54/x
  3. Step 3: Cross multiply
    508,508.73x = 762,886.41 × 153,501.54
  4. Step 4: Simplify right side
    508,508.73x = 117,104,238,780.07
  5. Step 5: Solve for x
    x = 117,104,238,780.07/508,508.73
  6. Step 6: Final answer
    x = 230,289.53

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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.