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Finding the Fourth Proportional to 488,069.66, 673,188.21 and 297,095.30

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Solution

The fourth proportional to 488,069.66, 673,188.21 and 297,095.30 is: 409,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,069.66 : 673,188.21 = 297,095.30 : x
  2. Step 2: Convert to fraction form
    488,069.66/673,188.21 = 297,095.30/x
  3. Step 3: Cross multiply
    488,069.66x = 673,188.21 × 297,095.30
  4. Step 4: Simplify right side
    488,069.66x = 200,001,053,206.41
  5. Step 5: Solve for x
    x = 200,001,053,206.41/488,069.66
  6. Step 6: Final answer
    x = 409,779.73

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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.