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Finding the Fourth Proportional to 606,864.95, 837,000.39 and 389,094.42

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Solution

The fourth proportional to 606,864.95, 837,000.39 and 389,094.42 is: 536,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,864.95 : 837,000.39 = 389,094.42 : x
  2. Step 2: Convert to fraction form
    606,864.95/837,000.39 = 389,094.42/x
  3. Step 3: Cross multiply
    606,864.95x = 837,000.39 × 389,094.42
  4. Step 4: Simplify right side
    606,864.95x = 325,672,181,286.82
  5. Step 5: Solve for x
    x = 325,672,181,286.82/606,864.95
  6. Step 6: Final answer
    x = 536,646.88

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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.