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Finding the Fourth Proportional to 325,586.64, 488,435.10 and 112,296.64

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Solution

The fourth proportional to 325,586.64, 488,435.10 and 112,296.64 is: 168,463.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,586.64 : 488,435.10 = 112,296.64 : x
  2. Step 2: Convert to fraction form
    325,586.64/488,435.10 = 112,296.64/x
  3. Step 3: Cross multiply
    325,586.64x = 488,435.10 × 112,296.64
  4. Step 4: Simplify right side
    325,586.64x = 54,849,620,588.06
  5. Step 5: Solve for x
    x = 54,849,620,588.06/325,586.64
  6. Step 6: Final answer
    x = 168,463.98

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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.