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Finding the Fourth Proportional to 453,068.10, 679,684.10 and 186,680.43

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Solution

The fourth proportional to 453,068.10, 679,684.10 and 186,680.43 is: 280,054.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,068.10 : 679,684.10 = 186,680.43 : x
  2. Step 2: Convert to fraction form
    453,068.10/679,684.10 = 186,680.43/x
  3. Step 3: Cross multiply
    453,068.10x = 679,684.10 × 186,680.43
  4. Step 4: Simplify right side
    453,068.10x = 126,883,719,118.76
  5. Step 5: Solve for x
    x = 126,883,719,118.76/453,068.10
  6. Step 6: Final answer
    x = 280,054.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.