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Finding the Fourth Proportional to 303,451.05, 455,304.15 and 163,045.65

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Solution

The fourth proportional to 303,451.05, 455,304.15 and 163,045.65 is: 244,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,451.05 : 455,304.15 = 163,045.65 : x
  2. Step 2: Convert to fraction form
    303,451.05/455,304.15 = 163,045.65/x
  3. Step 3: Cross multiply
    303,451.05x = 455,304.15 × 163,045.65
  4. Step 4: Simplify right side
    303,451.05x = 74,235,361,084.45
  5. Step 5: Solve for x
    x = 74,235,361,084.45/303,451.05
  6. Step 6: Final answer
    x = 244,637.02

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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.