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Finding the Fourth Proportional to 369,225.44, 553,879.72 and 116,431.16

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Solution

The fourth proportional to 369,225.44, 553,879.72 and 116,431.16 is: 174,659.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,225.44 : 553,879.72 = 116,431.16 : x
  2. Step 2: Convert to fraction form
    369,225.44/553,879.72 = 116,431.16/x
  3. Step 3: Cross multiply
    369,225.44x = 553,879.72 × 116,431.16
  4. Step 4: Simplify right side
    369,225.44x = 64,488,855,676.22
  5. Step 5: Solve for x
    x = 64,488,855,676.22/369,225.44
  6. Step 6: Final answer
    x = 174,659.84

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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.