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Finding the Fourth Proportional to 535,499.28, 803,324.04 and 156,447.84

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Solution

The fourth proportional to 535,499.28, 803,324.04 and 156,447.84 is: 234,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,499.28 : 803,324.04 = 156,447.84 : x
  2. Step 2: Convert to fraction form
    535,499.28/803,324.04 = 156,447.84/x
  3. Step 3: Cross multiply
    535,499.28x = 803,324.04 × 156,447.84
  4. Step 4: Simplify right side
    535,499.28x = 125,678,310,878.07
  5. Step 5: Solve for x
    x = 125,678,310,878.07/535,499.28
  6. Step 6: Final answer
    x = 234,693.71

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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.