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Finding the Fourth Proportional to 367,027.10, 550,540.65 and 260,738.90

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Solution

The fourth proportional to 367,027.10, 550,540.65 and 260,738.90 is: 391,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,027.10 : 550,540.65 = 260,738.90 : x
  2. Step 2: Convert to fraction form
    367,027.10/550,540.65 = 260,738.90/x
  3. Step 3: Cross multiply
    367,027.10x = 550,540.65 × 260,738.90
  4. Step 4: Simplify right side
    367,027.10x = 143,547,363,486.29
  5. Step 5: Solve for x
    x = 143,547,363,486.29/367,027.10
  6. Step 6: Final answer
    x = 391,108.35

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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.