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Finding the Fourth Proportional to 508,346.18, 762,524.74 and 153,363.28

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Solution

The fourth proportional to 508,346.18, 762,524.74 and 153,363.28 is: 230,046.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,346.18 : 762,524.74 = 153,363.28 : x
  2. Step 2: Convert to fraction form
    508,346.18/762,524.74 = 153,363.28/x
  3. Step 3: Cross multiply
    508,346.18x = 762,524.74 × 153,363.28
  4. Step 4: Simplify right side
    508,346.18x = 116,943,295,207.55
  5. Step 5: Solve for x
    x = 116,943,295,207.55/508,346.18
  6. Step 6: Final answer
    x = 230,046.57

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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.