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Finding the Fourth Proportional to 403,367.49, 604,249.34 and 370,300.05

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Solution

The fourth proportional to 403,367.49, 604,249.34 and 370,300.05 is: 554,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,367.49 : 604,249.34 = 370,300.05 : x
  2. Step 2: Convert to fraction form
    403,367.49/604,249.34 = 370,300.05/x
  3. Step 3: Cross multiply
    403,367.49x = 604,249.34 × 370,300.05
  4. Step 4: Simplify right side
    403,367.49x = 223,753,558,962.97
  5. Step 5: Solve for x
    x = 223,753,558,962.97/403,367.49
  6. Step 6: Final answer
    x = 554,713.91

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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.