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Finding the Fourth Proportional to 253,329.72, 379,810.26 and 164,671.80

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Solution

The fourth proportional to 253,329.72, 379,810.26 and 164,671.80 is: 246,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,329.72 : 379,810.26 = 164,671.80 : x
  2. Step 2: Convert to fraction form
    253,329.72/379,810.26 = 164,671.80/x
  3. Step 3: Cross multiply
    253,329.72x = 379,810.26 × 164,671.80
  4. Step 4: Simplify right side
    253,329.72x = 62,544,039,172.67
  5. Step 5: Solve for x
    x = 62,544,039,172.67/253,329.72
  6. Step 6: Final answer
    x = 246,887.89

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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.