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Finding the Fourth Proportional to 557,503.68, 836,266.68 and 178,496.76

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Solution

The fourth proportional to 557,503.68, 836,266.68 and 178,496.76 is: 267,748.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,503.68 : 836,266.68 = 178,496.76 : x
  2. Step 2: Convert to fraction form
    557,503.68/836,266.68 = 178,496.76/x
  3. Step 3: Cross multiply
    557,503.68x = 836,266.68 × 178,496.76
  4. Step 4: Simplify right side
    557,503.68x = 149,270,892,875.96
  5. Step 5: Solve for x
    x = 149,270,892,875.96/557,503.68
  6. Step 6: Final answer
    x = 267,748.71

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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.