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Finding the Fourth Proportional to 549,297.94, 757,639.56 and 504,121.54

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Solution

The fourth proportional to 549,297.94, 757,639.56 and 504,121.54 is: 695,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,297.94 : 757,639.56 = 504,121.54 : x
  2. Step 2: Convert to fraction form
    549,297.94/757,639.56 = 504,121.54/x
  3. Step 3: Cross multiply
    549,297.94x = 757,639.56 × 504,121.54
  4. Step 4: Simplify right side
    549,297.94x = 381,942,421,752.12
  5. Step 5: Solve for x
    x = 381,942,421,752.12/549,297.94
  6. Step 6: Final answer
    x = 695,328.33

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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.