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Finding the Fourth Proportional to 488,069.16, 673,187.52 and 297,094.80

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Solution

The fourth proportional to 488,069.16, 673,187.52 and 297,094.80 is: 409,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,069.16 : 673,187.52 = 297,094.80 : x
  2. Step 2: Convert to fraction form
    488,069.16/673,187.52 = 297,094.80/x
  3. Step 3: Cross multiply
    488,069.16x = 673,187.52 × 297,094.80
  4. Step 4: Simplify right side
    488,069.16x = 200,000,511,616.90
  5. Step 5: Solve for x
    x = 200,000,511,616.90/488,069.16
  6. Step 6: Final answer
    x = 409,779.04

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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.