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Finding the Fourth Proportional to 606,564.10, 910,830.30 and 340,843.60

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Solution

The fourth proportional to 606,564.10, 910,830.30 and 340,843.60 is: 511,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,564.10 : 910,830.30 = 340,843.60 : x
  2. Step 2: Convert to fraction form
    606,564.10/910,830.30 = 340,843.60/x
  3. Step 3: Cross multiply
    606,564.10x = 910,830.30 × 340,843.60
  4. Step 4: Simplify right side
    606,564.10x = 310,450,678,441.08
  5. Step 5: Solve for x
    x = 310,450,678,441.08/606,564.10
  6. Step 6: Final answer
    x = 511,818.42

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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.