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Finding the Fourth Proportional to 318,147.83, 477,196.91 and 184,943.12

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Solution

The fourth proportional to 318,147.83, 477,196.91 and 184,943.12 is: 277,400.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,147.83 : 477,196.91 = 184,943.12 : x
  2. Step 2: Convert to fraction form
    318,147.83/477,196.91 = 184,943.12/x
  3. Step 3: Cross multiply
    318,147.83x = 477,196.91 × 184,943.12
  4. Step 4: Simplify right side
    318,147.83x = 88,254,283,466.13
  5. Step 5: Solve for x
    x = 88,254,283,466.13/318,147.83
  6. Step 6: Final answer
    x = 277,400.24

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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.