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Finding the Fourth Proportional to 468,390.08, 702,505.20 and 168,811.04

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Solution

The fourth proportional to 468,390.08, 702,505.20 and 168,811.04 is: 253,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,390.08 : 702,505.20 = 168,811.04 : x
  2. Step 2: Convert to fraction form
    468,390.08/702,505.20 = 168,811.04/x
  3. Step 3: Cross multiply
    468,390.08x = 702,505.20 × 168,811.04
  4. Step 4: Simplify right side
    468,390.08x = 118,590,633,417.41
  5. Step 5: Solve for x
    x = 118,590,633,417.41/468,390.08
  6. Step 6: Final answer
    x = 253,187.76

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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.