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Finding the Fourth Proportional to 523,992.48, 786,183.35 and 363,984.12

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Solution

The fourth proportional to 523,992.48, 786,183.35 and 363,984.12 is: 546,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,992.48 : 786,183.35 = 363,984.12 : x
  2. Step 2: Convert to fraction form
    523,992.48/786,183.35 = 363,984.12/x
  3. Step 3: Cross multiply
    523,992.48x = 786,183.35 × 363,984.12
  4. Step 4: Simplify right side
    523,992.48x = 286,158,249,057.57
  5. Step 5: Solve for x
    x = 286,158,249,057.57/523,992.48
  6. Step 6: Final answer
    x = 546,111.37

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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.