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Finding the Fourth Proportional to 469,912.48, 704,862.64 and 114,929.44

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Solution

The fourth proportional to 469,912.48, 704,862.64 and 114,929.44 is: 172,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,912.48 : 704,862.64 = 114,929.44 : x
  2. Step 2: Convert to fraction form
    469,912.48/704,862.64 = 114,929.44/x
  3. Step 3: Cross multiply
    469,912.48x = 704,862.64 × 114,929.44
  4. Step 4: Simplify right side
    469,912.48x = 81,009,468,492.12
  5. Step 5: Solve for x
    x = 81,009,468,492.12/469,912.48
  6. Step 6: Final answer
    x = 172,392.67

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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.