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Finding the Fourth Proportional to 373,111.66, 514,747.65 and 229,622.59

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Solution

The fourth proportional to 373,111.66, 514,747.65 and 229,622.59 is: 316,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,111.66 : 514,747.65 = 229,622.59 : x
  2. Step 2: Convert to fraction form
    373,111.66/514,747.65 = 229,622.59/x
  3. Step 3: Cross multiply
    373,111.66x = 514,747.65 × 229,622.59
  4. Step 4: Simplify right side
    373,111.66x = 118,197,688,589.41
  5. Step 5: Solve for x
    x = 118,197,688,589.41/373,111.66
  6. Step 6: Final answer
    x = 316,789.05

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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.