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Finding the Fourth Proportional to 518,919.85, 716,093.16 and 304,202.93

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Solution

The fourth proportional to 518,919.85, 716,093.16 and 304,202.93 is: 419,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,919.85 : 716,093.16 = 304,202.93 : x
  2. Step 2: Convert to fraction form
    518,919.85/716,093.16 = 304,202.93/x
  3. Step 3: Cross multiply
    518,919.85x = 716,093.16 × 304,202.93
  4. Step 4: Simplify right side
    518,919.85x = 217,837,632,703.73
  5. Step 5: Solve for x
    x = 217,837,632,703.73/518,919.85
  6. Step 6: Final answer
    x = 419,790.52

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1.5x scale

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.