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Finding the Fourth Proportional to 367,948.80, 550,756.80 and 262,972.80

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Solution

The fourth proportional to 367,948.80, 550,756.80 and 262,972.80 is: 393,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,948.80 : 550,756.80 = 262,972.80 : x
  2. Step 2: Convert to fraction form
    367,948.80/550,756.80 = 262,972.80/x
  3. Step 3: Cross multiply
    367,948.80x = 550,756.80 × 262,972.80
  4. Step 4: Simplify right side
    367,948.80x = 144,834,057,815.04
  5. Step 5: Solve for x
    x = 144,834,057,815.04/367,948.80
  6. Step 6: Final answer
    x = 393,625.57

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1.5x scale

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.