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Finding the Fourth Proportional to 452,734.96, 678,680.36 and 153,005.96

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Solution

The fourth proportional to 452,734.96, 678,680.36 and 153,005.96 is: 229,366.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,734.96 : 678,680.36 = 153,005.96 : x
  2. Step 2: Convert to fraction form
    452,734.96/678,680.36 = 153,005.96/x
  3. Step 3: Cross multiply
    452,734.96x = 678,680.36 × 153,005.96
  4. Step 4: Simplify right side
    452,734.96x = 103,842,140,014.95
  5. Step 5: Solve for x
    x = 103,842,140,014.95/452,734.96
  6. Step 6: Final answer
    x = 229,366.29

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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.