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Finding the Fourth Proportional to 452,012.34, 677,755.98 and 171,376.50

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Solution

The fourth proportional to 452,012.34, 677,755.98 and 171,376.50 is: 256,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,012.34 : 677,755.98 = 171,376.50 : x
  2. Step 2: Convert to fraction form
    452,012.34/677,755.98 = 171,376.50/x
  3. Step 3: Cross multiply
    452,012.34x = 677,755.98 × 171,376.50
  4. Step 4: Simplify right side
    452,012.34x = 116,151,447,706.47
  5. Step 5: Solve for x
    x = 116,151,447,706.47/452,012.34
  6. Step 6: Final answer
    x = 256,965.21

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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.