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Finding the Fourth Proportional to 299,085.60, 448,628.40 and 173,114.40

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Solution

The fourth proportional to 299,085.60, 448,628.40 and 173,114.40 is: 259,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,085.60 : 448,628.40 = 173,114.40 : x
  2. Step 2: Convert to fraction form
    299,085.60/448,628.40 = 173,114.40/x
  3. Step 3: Cross multiply
    299,085.60x = 448,628.40 × 173,114.40
  4. Step 4: Simplify right side
    299,085.60x = 77,664,036,288.96
  5. Step 5: Solve for x
    x = 77,664,036,288.96/299,085.60
  6. Step 6: Final answer
    x = 259,671.60

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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.