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Finding the Fourth Proportional to 508,333.96, 762,503.82 and 134,353

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Solution

The fourth proportional to 508,333.96, 762,503.82 and 134,353 is: 201,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,333.96 : 762,503.82 = 134,353 : x
  2. Step 2: Convert to fraction form
    508,333.96/762,503.82 = 134,353/x
  3. Step 3: Cross multiply
    508,333.96x = 762,503.82 × 134,353
  4. Step 4: Simplify right side
    508,333.96x = 102,444,675,728.46
  5. Step 5: Solve for x
    x = 102,444,675,728.46/508,333.96
  6. Step 6: Final answer
    x = 201,530.26

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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.