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Finding the Fourth Proportional to 373,182.50, 514,991.97 and 212,037.77

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Solution

The fourth proportional to 373,182.50, 514,991.97 and 212,037.77 is: 292,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,182.50 : 514,991.97 = 212,037.77 : x
  2. Step 2: Convert to fraction form
    373,182.50/514,991.97 = 212,037.77/x
  3. Step 3: Cross multiply
    373,182.50x = 514,991.97 × 212,037.77
  4. Step 4: Simplify right side
    373,182.50x = 109,197,746,311.75
  5. Step 5: Solve for x
    x = 109,197,746,311.75/373,182.50
  6. Step 6: Final answer
    x = 292,612.19

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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.