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Finding the Fourth Proportional to 373,025.32, 514,758.85 and 211,879.87

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Solution

The fourth proportional to 373,025.32, 514,758.85 and 211,879.87 is: 292,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,025.32 : 514,758.85 = 211,879.87 : x
  2. Step 2: Convert to fraction form
    373,025.32/514,758.85 = 211,879.87/x
  3. Step 3: Cross multiply
    373,025.32x = 514,758.85 × 211,879.87
  4. Step 4: Simplify right side
    373,025.32x = 109,067,038,219.35
  5. Step 5: Solve for x
    x = 109,067,038,219.35/373,025.32
  6. Step 6: Final answer
    x = 292,385.08

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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.