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Finding the Fourth Proportional to 313,653.65, 470,498.51 and 88,996.51

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Solution

The fourth proportional to 313,653.65, 470,498.51 and 88,996.51 is: 133,499.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,653.65 : 470,498.51 = 88,996.51 : x
  2. Step 2: Convert to fraction form
    313,653.65/470,498.51 = 88,996.51/x
  3. Step 3: Cross multiply
    313,653.65x = 470,498.51 × 88,996.51
  4. Step 4: Simplify right side
    313,653.65x = 41,872,722,552.73
  5. Step 5: Solve for x
    x = 41,872,722,552.73/313,653.65
  6. Step 6: Final answer
    x = 133,499.87

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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.