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Finding the Fourth Proportional to 405,452.60, 607,304.10 and 335,468.60

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Solution

The fourth proportional to 405,452.60, 607,304.10 and 335,468.60 is: 502,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,452.60 : 607,304.10 = 335,468.60 : x
  2. Step 2: Convert to fraction form
    405,452.60/607,304.10 = 335,468.60/x
  3. Step 3: Cross multiply
    405,452.60x = 607,304.10 × 335,468.60
  4. Step 4: Simplify right side
    405,452.60x = 203,731,456,201.26
  5. Step 5: Solve for x
    x = 203,731,456,201.26/405,452.60
  6. Step 6: Final answer
    x = 502,479.10

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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.