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Finding the Fourth Proportional to 303,033.60, 454,507.20 and 103,363.20

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Solution

The fourth proportional to 303,033.60, 454,507.20 and 103,363.20 is: 155,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,033.60 : 454,507.20 = 103,363.20 : x
  2. Step 2: Convert to fraction form
    303,033.60/454,507.20 = 103,363.20/x
  3. Step 3: Cross multiply
    303,033.60x = 454,507.20 × 103,363.20
  4. Step 4: Simplify right side
    303,033.60x = 46,979,318,615.04
  5. Step 5: Solve for x
    x = 46,979,318,615.04/303,033.60
  6. Step 6: Final answer
    x = 155,030.06

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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.