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Finding the Fourth Proportional to 416,161.72, 623,980.14 and 229,304.44

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Solution

The fourth proportional to 416,161.72, 623,980.14 and 229,304.44 is: 343,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,161.72 : 623,980.14 = 229,304.44 : x
  2. Step 2: Convert to fraction form
    416,161.72/623,980.14 = 229,304.44/x
  3. Step 3: Cross multiply
    416,161.72x = 623,980.14 × 229,304.44
  4. Step 4: Simplify right side
    416,161.72x = 143,081,416,573.82
  5. Step 5: Solve for x
    x = 143,081,416,573.82/416,161.72
  6. Step 6: Final answer
    x = 343,812.06

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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.