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Finding the Fourth Proportional to 373,079.58, 514,834.80 and 203,310.06

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Solution

The fourth proportional to 373,079.58, 514,834.80 and 203,310.06 is: 280,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,079.58 : 514,834.80 = 203,310.06 : x
  2. Step 2: Convert to fraction form
    373,079.58/514,834.80 = 203,310.06/x
  3. Step 3: Cross multiply
    373,079.58x = 514,834.80 × 203,310.06
  4. Step 4: Simplify right side
    373,079.58x = 104,671,094,078.09
  5. Step 5: Solve for x
    x = 104,671,094,078.09/373,079.58
  6. Step 6: Final answer
    x = 280,559.70

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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.