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Finding the Fourth Proportional to 508,130.52, 762,224.94 and 153,107.52

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Solution

The fourth proportional to 508,130.52, 762,224.94 and 153,107.52 is: 229,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,130.52 : 762,224.94 = 153,107.52 : x
  2. Step 2: Convert to fraction form
    508,130.52/762,224.94 = 153,107.52/x
  3. Step 3: Cross multiply
    508,130.52x = 762,224.94 × 153,107.52
  4. Step 4: Simplify right side
    508,130.52x = 116,702,370,245.55
  5. Step 5: Solve for x
    x = 116,702,370,245.55/508,130.52
  6. Step 6: Final answer
    x = 229,670.07

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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.