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Finding the Fourth Proportional to 508,509.73, 762,887.91 and 153,502.54

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Solution

The fourth proportional to 508,509.73, 762,887.91 and 153,502.54 is: 230,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,509.73 : 762,887.91 = 153,502.54 : x
  2. Step 2: Convert to fraction form
    508,509.73/762,887.91 = 153,502.54/x
  3. Step 3: Cross multiply
    508,509.73x = 762,887.91 × 153,502.54
  4. Step 4: Simplify right side
    508,509.73x = 117,105,231,920.29
  5. Step 5: Solve for x
    x = 117,105,231,920.29/508,509.73
  6. Step 6: Final answer
    x = 230,291.03

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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.