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Finding the Fourth Proportional to 303,228.60, 454,883.40 and 103,498.80

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Solution

The fourth proportional to 303,228.60, 454,883.40 and 103,498.80 is: 155,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,228.60 : 454,883.40 = 103,498.80 : x
  2. Step 2: Convert to fraction form
    303,228.60/454,883.40 = 103,498.80/x
  3. Step 3: Cross multiply
    303,228.60x = 454,883.40 × 103,498.80
  4. Step 4: Simplify right side
    303,228.60x = 47,079,886,039.92
  5. Step 5: Solve for x
    x = 47,079,886,039.92/303,228.60
  6. Step 6: Final answer
    x = 155,262.02

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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.