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Finding the Fourth Proportional to 444,514.50, 666,830.34 and 144,890.10

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Solution

The fourth proportional to 444,514.50, 666,830.34 and 144,890.10 is: 217,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,514.50 : 666,830.34 = 144,890.10 : x
  2. Step 2: Convert to fraction form
    444,514.50/666,830.34 = 144,890.10/x
  3. Step 3: Cross multiply
    444,514.50x = 666,830.34 × 144,890.10
  4. Step 4: Simplify right side
    444,514.50x = 96,617,114,645.63
  5. Step 5: Solve for x
    x = 96,617,114,645.63/444,514.50
  6. Step 6: Final answer
    x = 217,354.25

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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.