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Finding the Fourth Proportional to 303,103.60, 454,612.20 and 103,433.20

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Solution

The fourth proportional to 303,103.60, 454,612.20 and 103,433.20 is: 155,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,103.60 : 454,612.20 = 103,433.20 : x
  2. Step 2: Convert to fraction form
    303,103.60/454,612.20 = 103,433.20/x
  3. Step 3: Cross multiply
    303,103.60x = 454,612.20 × 103,433.20
  4. Step 4: Simplify right side
    303,103.60x = 47,021,994,605.04
  5. Step 5: Solve for x
    x = 47,021,994,605.04/303,103.60
  6. Step 6: Final answer
    x = 155,135.06

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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.