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Finding the Fourth Proportional to 935,729.60, 1,404,080.40 and 437,093.60

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Solution

The fourth proportional to 935,729.60, 1,404,080.40 and 437,093.60 is: 655,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,729.60 : 1,404,080.40 = 437,093.60 : x
  2. Step 2: Convert to fraction form
    935,729.60/1,404,080.40 = 437,093.60/x
  3. Step 3: Cross multiply
    935,729.60x = 1,404,080.40 × 437,093.60
  4. Step 4: Simplify right side
    935,729.60x = 613,714,556,725.44
  5. Step 5: Solve for x
    x = 613,714,556,725.44/935,729.60
  6. Step 6: Final answer
    x = 655,867.42

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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.