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Finding the Fourth Proportional to 216,291.08, 324,495.12 and 195,470.84

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Solution

The fourth proportional to 216,291.08, 324,495.12 and 195,470.84 is: 293,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,291.08 : 324,495.12 = 195,470.84 : x
  2. Step 2: Convert to fraction form
    216,291.08/324,495.12 = 195,470.84/x
  3. Step 3: Cross multiply
    216,291.08x = 324,495.12 × 195,470.84
  4. Step 4: Simplify right side
    216,291.08x = 63,429,333,682.30
  5. Step 5: Solve for x
    x = 63,429,333,682.30/216,291.08
  6. Step 6: Final answer
    x = 293,259.13

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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.