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Finding the Fourth Proportional to 557,499.68, 836,260.68 and 178,492.76

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Solution

The fourth proportional to 557,499.68, 836,260.68 and 178,492.76 is: 267,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,499.68 : 836,260.68 = 178,492.76 : x
  2. Step 2: Convert to fraction form
    557,499.68/836,260.68 = 178,492.76/x
  3. Step 3: Cross multiply
    557,499.68x = 836,260.68 × 178,492.76
  4. Step 4: Simplify right side
    557,499.68x = 149,266,476,852.68
  5. Step 5: Solve for x
    x = 149,266,476,852.68/557,499.68
  6. Step 6: Final answer
    x = 267,742.71

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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.