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Finding the Fourth Proportional to 633,780.32, 950,661.50 and 154,011.65

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Solution

The fourth proportional to 633,780.32, 950,661.50 and 154,011.65 is: 231,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,780.32 : 950,661.50 = 154,011.65 : x
  2. Step 2: Convert to fraction form
    633,780.32/950,661.50 = 154,011.65/x
  3. Step 3: Cross multiply
    633,780.32x = 950,661.50 × 154,011.65
  4. Step 4: Simplify right side
    633,780.32x = 146,412,940,683.11
  5. Step 5: Solve for x
    x = 146,412,940,683.11/633,780.32
  6. Step 6: Final answer
    x = 231,015.29

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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.