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Finding the Fourth Proportional to 606,978.81, 837,630.62 and 335,046.63

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Solution

The fourth proportional to 606,978.81, 837,630.62 and 335,046.63 is: 462,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,978.81 : 837,630.62 = 335,046.63 : x
  2. Step 2: Convert to fraction form
    606,978.81/837,630.62 = 335,046.63/x
  3. Step 3: Cross multiply
    606,978.81x = 837,630.62 × 335,046.63
  4. Step 4: Simplify right side
    606,978.81x = 280,645,316,415.81
  5. Step 5: Solve for x
    x = 280,645,316,415.81/606,978.81
  6. Step 6: Final answer
    x = 462,364.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.