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Finding the Fourth Proportional to 370,416.80, 555,625.20 and 364,511.90

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Solution

The fourth proportional to 370,416.80, 555,625.20 and 364,511.90 is: 546,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,416.80 : 555,625.20 = 364,511.90 : x
  2. Step 2: Convert to fraction form
    370,416.80/555,625.20 = 364,511.90/x
  3. Step 3: Cross multiply
    370,416.80x = 555,625.20 × 364,511.90
  4. Step 4: Simplify right side
    370,416.80x = 202,531,997,339.88
  5. Step 5: Solve for x
    x = 202,531,997,339.88/370,416.80
  6. Step 6: Final answer
    x = 546,767.85

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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.