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Finding the Fourth Proportional to 262,829.70, 394,244.55 and 260,064.90

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Solution

The fourth proportional to 262,829.70, 394,244.55 and 260,064.90 is: 390,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,829.70 : 394,244.55 = 260,064.90 : x
  2. Step 2: Convert to fraction form
    262,829.70/394,244.55 = 260,064.90/x
  3. Step 3: Cross multiply
    262,829.70x = 394,244.55 × 260,064.90
  4. Step 4: Simplify right side
    262,829.70x = 102,529,169,471.30
  5. Step 5: Solve for x
    x = 102,529,169,471.30/262,829.70
  6. Step 6: Final answer
    x = 390,097.35

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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.