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Finding the Fourth Proportional to 452,454.33, 678,680.85 and 115,495.11

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Solution

The fourth proportional to 452,454.33, 678,680.85 and 115,495.11 is: 173,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,454.33 : 678,680.85 = 115,495.11 : x
  2. Step 2: Convert to fraction form
    452,454.33/678,680.85 = 115,495.11/x
  3. Step 3: Cross multiply
    452,454.33x = 678,680.85 × 115,495.11
  4. Step 4: Simplify right side
    452,454.33x = 78,384,319,425.64
  5. Step 5: Solve for x
    x = 78,384,319,425.64/452,454.33
  6. Step 6: Final answer
    x = 173,242.50

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Similar ratio
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1.5x scale

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.