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Finding the Fourth Proportional to 511,419.60, 767,208.24 and 174,381.44

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Solution

The fourth proportional to 511,419.60, 767,208.24 and 174,381.44 is: 261,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,419.60 : 767,208.24 = 174,381.44 : x
  2. Step 2: Convert to fraction form
    511,419.60/767,208.24 = 174,381.44/x
  3. Step 3: Cross multiply
    511,419.60x = 767,208.24 × 174,381.44
  4. Step 4: Simplify right side
    511,419.60x = 133,786,877,671.07
  5. Step 5: Solve for x
    x = 133,786,877,671.07/511,419.60
  6. Step 6: Final answer
    x = 261,599.04

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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.