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Finding the Fourth Proportional to 633,743.20, 951,133.20 and 613,007.20

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Solution

The fourth proportional to 633,743.20, 951,133.20 and 613,007.20 is: 920,012.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,743.20 : 951,133.20 = 613,007.20 : x
  2. Step 2: Convert to fraction form
    633,743.20/951,133.20 = 613,007.20/x
  3. Step 3: Cross multiply
    633,743.20x = 951,133.20 × 613,007.20
  4. Step 4: Simplify right side
    633,743.20x = 583,051,499,759.04
  5. Step 5: Solve for x
    x = 583,051,499,759.04/633,743.20
  6. Step 6: Final answer
    x = 920,012.24

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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.