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Finding the Fourth Proportional to 549,093.70, 757,358.68 and 503,917.57

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Solution

The fourth proportional to 549,093.70, 757,358.68 and 503,917.57 is: 695,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,093.70 : 757,358.68 = 503,917.57 : x
  2. Step 2: Convert to fraction form
    549,093.70/757,358.68 = 503,917.57/x
  3. Step 3: Cross multiply
    549,093.70x = 757,358.68 × 503,917.57
  4. Step 4: Simplify right side
    549,093.70x = 381,646,345,644.01
  5. Step 5: Solve for x
    x = 381,646,345,644.01/549,093.70
  6. Step 6: Final answer
    x = 695,047.76

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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.