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Finding the Fourth Proportional to 373,314.80, 559,907.40 and 136,535.60

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Solution

The fourth proportional to 373,314.80, 559,907.40 and 136,535.60 is: 204,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,314.80 : 559,907.40 = 136,535.60 : x
  2. Step 2: Convert to fraction form
    373,314.80/559,907.40 = 136,535.60/x
  3. Step 3: Cross multiply
    373,314.80x = 559,907.40 × 136,535.60
  4. Step 4: Simplify right side
    373,314.80x = 76,447,292,803.44
  5. Step 5: Solve for x
    x = 76,447,292,803.44/373,314.80
  6. Step 6: Final answer
    x = 204,779.70

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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.